The name of the "supercontinent" that once covered nearly one-third of the earth's surface is Pangaea. It is believed that around 300 million years ago, all of the Earth's continents were connected in a single landmass known as Pangaea.
Over time, the tectonic plates started to move, and the continents started to drift apart from each other, eventually forming the land masses we know today. The theory of continental drift was first proposed by Alfred Wegener in 1912, who noticed that the coastlines of Africa and South America seemed to fit together like puzzle pieces.
Pangaea was surrounded by a vast ocean known as Panthalassa, which covered the rest of the Earth's surface. The breakup of Pangaea led to the formation of the Atlantic Ocean and other major features of the Earth's surface we see today. The concept of Pangaea helps us understand the history of the Earth's continents and how they have evolved over millions of years.
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The rigid portion of earth composed of the crust and the uppermost part of the is the?
The rigid portion of earth composed of the crust and the uppermost part of the mantle is the lithosphere.
The solid and outer part of the Earth is referred to as lithosphere. The lithosphere constitutes the brittle upper portion of the mantle and the crust which is the outermost layer amongst all the layers of Earth’s structure. The lithosphere can be further divided into two categories. One is the oceanic lithosphere and the other is continental lithosphere.
Oceanic lithosphere is associated with oceanic crust. They are found in the ocean basins. Continental lithosphere is associated with the continental crust.
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Rolly and Leota are married and will file a joint return. They had combined wages of $256,000 in the tax year. This amount included $18,000 in net profit from a rental home. They had no other income or adjustments. What is their net investment income tax
The net investment income tax of Rolly and Leota combined equals to $540.
What is a net investment income tax?This refers to the tax that is applicable to income received from investment assets (before taxes) such as bonds, stocks, mutual funds, loans, and other investments.
This net investment income tax was imposed as through the passage of the Health Care and Education Reconciliation act 2010 and states that the Net investment income tax is liable to 3.80% tax and it applies to individuals have with an NII and MAGI above certain thresholds.
Net investment income tax= Net profit from rental income * 3.8%
= $18,000 * 3%
= $540
Therefore, the net investment income tax of Rolly and Leota combined equals to $540.
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Above the tropopause is the layer which starts between 6.2 miles to 8.1 miles (10-13 km), depending on the latitude, and is made up primarily of ozone, which is called the __________
Above the tropopause is the layer which starts between 6.2 miles to 8.1 miles (10-13 km), depending on the latitude, and is made up primarily of ozone, which is called the Stratosphere.
What is Stratosphere?The word "stratosphere," which can be translated as "layer" or "level," simply signifies the space above the atmosphere of the earth. It has the ozone layer, which protects us from UV radiation from the sun except where it has been damaged by synthetic pollutants.
Stratosphere: The ozone layer, which shields us from the Sun's harmful UV radiation, is found in the stratosphere, which is located between 12 and 50 kilometres (7.5 and 31 miles) above the surface of the Earth.
Above the troposphere, it is the second layer of the atmosphere. It rises 50 kilometres above the surface of the earth. Due to its low water vapour content, this stratum is extremely dry.
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What component of gps includes the series of ground stations that help maintain gps?
The GPS control segment consists of a global network of ground facilities that track the GPS satellites, monitor their transmissions, perform analyses, and send commands and data to the constellation.
Most GPS receivers consist of three basic components: (1) An antenna that receives signals and, in some cases, has an anti-jamming function. (2) A receiver processor unit that converts wireless signals into usable navigation solutions. (3) Control/display unit that displays location information.
The third signal is also sent from the satellite to the receiver. This signal contains data about the state and position of the satellite. The second part of the GPS system is a ground station that consists of a receiver, an antenna, and communication tools for sending data to the data center.
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Match each of the following processes with one of the three zones shown on the figure of a river system.
The three zones to be to be classified of a river system are as following:-
Zone of sediment production (Streams in the mountain)Zone of sediment transportation (River in between the mountain and shore)Zone of sediment deposition (Streams that end at the shore)Explanation:-Production of sediment will fall under initial zones. Sediment may be created in a variety of ways, such as when igneous and metamorphic rocks are exposed to wind and water and weather. decay of the wildlife and plants. However, the majority of sediments are produced when rocks are broken down by streams, rivers, and other moving bodies of water. Rocks may also be weathered extensively by wind. sediment formed by the weathering of rocks is found in the first zone.
The second zone will cover sediment transport. The slope (which may be caused by any type of landform) allows the produced sediment to flow and travel downhill, according to the diagram.
Under the third zone, sediment deposition occurs. Because the flow of the streams ceases at the bottom, all carried silt will be deposited there.
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The main feature distinguishing a hurricane from an ordinary tropical storm is that ____.
The main feature distinguishing a hurricane from an ordinary tropical storm is that wind speeds are greater in a hurricane. This is further explained below.
What is a hurricane?Generally, A hurricane is a tropical storm with sustained winds of at least 74 miles per hour, which is the definition of a hurricane. The storm's eye is typically between 20 and 30 miles wide, although it may reach as far as 400 miles or more. Torrential rain, strong gusts, and a storm surge are all potential hazards during a storm.
In conclusion, tropical storms; To describe these systems, "tropical" alludes to their genesis in tropical waters. Their winds move in a circle, spinning around a clear eye in the center, and blow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere, respectively.
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imagine yourself as a farmer owning land which is infertile.
How would uh convert it into a fertile farmland
Answer:
Water harvesting: Since the soil was eroded, they first set up water harvesting structures, such as swales, trenches, percolation tanks. These systems increased the efficiency of water use, recharged four existing borewells (which were not effective) and ensured a regular supply without taking from the reservoir.
Sapling plantation: Water harvesting is incomplete without planting. Saplings from government and private nurseries were used in the first plantation cycles. A nursery was set up to host young trees and plants which were later planted at Polam. The goal was to revive soils and life by planting diverse species.
Fencing: In an arid region, fires are common. To avoid damage, live fences were raised around the boundaries, and windbreaks such as huge teak trees were planted to brave the South wind blowing from the reservoir. Fruit trees have now fully reforested another 2 hectares acre of the farm. The fruit forest has become a new habitat for insects, animals and birds.
Regenerate through biodiversity: In the rest of the land, trees and plants have been scattered between local species, which adapt to the dry land climate, and tropical species. Although some died, diversification ensures that there is regeneration of life.
Animals: Animals playing a key role in regeneration. Chickens, bullocks and cows were integrated in the everyday activities. The chickens provide eggs and their excreta enriched compost. Bullocks are used for ploughing and sowing.
Local crops: Local crops such as millets, pigeon peas, green grams are also grown. Seasonal vegetables from the garden such as brinjals, curry leaves, cluster beans, rosella plants are used for daily consumption and will also be served to the 600 participants at the IPC.
Link 2 of the mechanism shown rotates about the z-axis w.r.t. the ground (Link 1) at a constant 2rad/s. Link 3 rotates about a pin joint currently aligned with the y-axis at a constant -3rad/s. What is the angular velocity of the link
The angular velocity of the link is going to be w₃₀ = -3j + 2k
What is angular velocity?This can be defined to mean the rate of change at which the angular position of a body would rotate. It is the time rate at which it known to revolve around an axis.
How to solve for the angular velocityThe angular velocity of the second link with respect to the ground is said to be w20 = 2k
That of link 3 is said to be w32 = -3j
We have to us formula of angular velocity to write the equation. This would be written as
w20 + w32
w30 = -3j + 2k
Complete questionLink 2 of the mechanism shown rotates about the z-axis w.r.t. the ground (Link 1) at a constant 2rad/s. Link 3 rotates about a pin joint currently aligned with the y-axis at a constant -3rad/s. What is the angular velocity of the link
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Southern California is famous for its wildfires, which are often exacerbated by the Santa Ana winds blowing through the canyons. What mass wasting event will later devastate the same fire-affected areas
The mass wasting event which will later devastate the same fire-affected areas is called Mudflows
Why do mudflows happen?
Mudflows occur when significant amounts of water collect to quickly erode soil on a steep slope. Mudslides happen when a lot of water builds up and quickly erodes the soil on a steep slope. As a result of heavy rain, for example, water seeps into the soil and separates the soil grains.
A muddy substance's starting point for flow is influenced by its particle size, water content, and topographical slope. In contrast to coarse sediment or a debris flow, shallower flows can transport fine-grained particles like mud or sand. A mud flow can start more easily when there is more water present (more precipitation or overland flow).
Coarser material may be swept up by a mud flow after it forms. Finer sediment and water that pools up behind the flowing front of the coarse-grained mudflow push the coarser silt that was taken up by the flow and often forms the front of a mudflow surge.
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A landowner owned a large tract of land in an area zoned for medium residential use. Permitted uses in this zone
Answer:
landowner owned a large tract of land in an area zoned for medium residential use. Permitted uses in this zone are single-family dwellings, condominium and townhouse developments, and moderate density apartment complexes.
Read the following descriptions of rocks and layers, and identify the likelihood of each being a good aquifer by grouping them into high and low likelihoods
Low:
Granite (igneous rock) with very few to no cracksGneiss (metamorphic rock that used to be granite and underwent intense pressure)High:
Unconsolidated gravel and sandConglomerate (sedimentary rock composed of various sizes of sediment such as pebbles and sand grains)Sandstone (sedimentary rock composed of sand grains)These are the following descriptions of rocks and layers.
Layers of rocks are also called strata (plural form of Latin strata), and stratigraphy is the science of strata. Stratigraphy deals with all the properties of layered rocks. We need to find out how these rocks relate to time.
Igneous rocks are formed from lava deep in the earth.
Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons.
Metamorphic rocks are formed from other rocks that have been altered by subterranean heat and pressure.
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2. If you send your soil out for a test and find out that it contains 75% silt and 25% clay, what kind of soil do you have
Answer:
if you send your soil out for a test and find out that it contains 75% silt and 25% clay, what kind of soil do you have?
Pure loamExplanation:
Pure loam is considered to be the best kind of soil for a farm or garden and is often defined as a soil with roughly equal proportions of sand, silt, and clay.
The best type of soil for growing plants is called loam soil. It is essentially a mix of soil that often contains equal amounts of clay, silt, and sand and offers the advantages of each with few drawbacks.
What are the features of loam soil?Sand, silt, and clay are present in loam soils in amounts that strike a balance between their stickiness and non-stickiness, making them moldable but not sticky.
Sand, clay, and silt particles combine to form loamy soils, which are thought to be the most fertile type of soil.
Sand lessens compaction and enhances drainage, while clay and silt particles enhance moisture retention. Neither do loamy soils become waterlogged in the winter, nor do they dry out in the summer.
Therefore, Pure loam, which is sometimes described as soil with nearly equal amounts of sand, silt, and clay, is thought to be the greatest sort of soil for a farm or garden.
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Why is it important for scientists to be objective?
A. So they can perform reliable experiments
B. So they can earn more money
C. So they can become famous
D. So they can get more funding from companies
Answer:
A. So they can perform reliable experiments.
Explanation:
It is important for scientists to be objective because if they are not, they would not get the right conclusion.
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Gondwana moved northward during the Carboniferous, and periods of sea level rise/fall due to melting/advancing glaciers caused unique cyclic rock sequences of nonmarine and marine deposition. These are called ____________________.
Gondwana moved northward during the Carboniferous, and periods of sea level rise/fall due to melting/advancing glaciers caused unique cyclic rock sequences of nonmarine and marine deposition. These are called cyclothems.
In geology, cyclothems are alternating stratigraphic sequences of marine and non-marine sediments, sometimes embedded with coal seams. Historically, the term was defined by European coal geologists working with coal pans formed during the Carboniferous and early Permian periods.
The deposit sequence has been exhaustively explored by petroleum geologists using geophysical profiles of continents and ocean basins. A common theory of basin-scale sedimentation is formalized under the name sequence stratigraphy.
Since the Carboniferous was a widespread ice age in the Southern Hemisphere, it is likely that several cyclothems formed as a result of oceanic regressions associated with the growth and collapse of ice sheets, respectively. A more common interpretation of the sequence gives rise to Milankovitch cycles.
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Specialization: multiple choice reduces the cost of production for all producers. ensures more wealth for everyone. creates more income for consumers and producers. ensures that goods and services are produced by low-cost producers
Specialization ensures that goods and services are produced by low-cost producers.
What is specialization?It should be noted that specialization simply means the concentration of the production in a particular field.
In this case, specialization ensures that goods and services are produced by low-cost producers.
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Should we protect native British species against invasive species? Justify your view?
Answer:
I think yes, you should protect native British species because invasive species can be harmful to the land and they can destroy the envorment that the native species live in making the native species suffer and maybe go extinct. invasive species like the Asian carp, can also affect humans as well and have a domino effect on all surroundinglife around an invaded area. so yes, you should protect them.
A particularly cold winter in a region represents a change in climate.
a. True
b. False
A particularly cold winter in a region represents a change in climate is False
Climate change refers to long-term changes in temperature and weather patterns. These changes may be natural, for example, due to changes in the solar cycle. However, since the 19th century, human activity has been a major contributor to climate change, primarily through the burning of fossil fuels such as coal, oil, and gas.
Burning fossil fuels releases greenhouse gases that wrap around the earth like a blanket, trapping the sun's heat and raising temperatures. Examples of greenhouse gas emissions that cause climate change are carbon dioxide and methane. These are caused.
for example, by using gasoline to drive a car or by using coal to heat a building. Deforestation of land and forests can also release carbon dioxide. Landfills are a major source of methane emissions. Energy, industry, transportation, buildings, agriculture, and land use are the main sources of emissions.
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Which of the following orbit planets?
OA. Moons
OB. Dwarf planets
OC. Asteroids
OD. Comets
Answer:
A. Moons
Why do moons orbit planets instead of the sun?The basic reason why the planets revolve around, or orbit, the Sun, is that the gravity of the Sun keeps them in their orbits. In the same way, the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.
The moons are also pieces of the planets that could not be put together during planet creation and remained nearer to their respective planets as a result.
The gravitational force is inversely proportional to the square of the distance between the masses, as stated by the law of gravity. In case of the sun and the moons, the distance is greater than that between the planets and the moons. As a result, there is less gravitational pull between the planet and the moon. The moon is therefore considerably more likely to rotate around its own planet than the sun.
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What is shap of the earth.
Answer:
The Earth is an irregularly shaped ellipsoid.
While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth's unique and ever-changing shape.
Having students substitute sounds for one another in a spoken word is an instructional activity that would be most appropriate for which students?
Having students substitute sounds for one another in a spoken word is an instructional activity that would be most appropriate for students who have a relatively high level of phonemic awareness.
Phonemic awareness refers to the particular ability to focus on and control individual sounds (phonemes) in spoken language. The smallest unit of spoken language is a phoneme. Phonemes combine to form syllables and words. For example, the word "bat" has his three phonemes of /b//a//t/. English has 44 phonemes, including sounds defined by letter combinations such as /th/.
Recognizing phonemes is important as it is the basis for spelling and word recognition. Phonemic awareness is one of the best ways to predict how well a child will learn to read and write in her first two years of school.
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Discuss the importance of soil in the development of rural settlement
Soil has a significant importance in the development of rural settlement.
Given that soil provides the majority of food, feed for livestock, fiber, and biotic fuel as well as serving as a source of greenhouse gases and an integral component of biogeochemical cycles, it is a very significant natural resource. There is evidence that anthropogenic activities in rural areas are placing increasing demand on soil resources. The surface sealing of soils is one of the most obvious issues related to the growth of rural settlements. The term "loss of soil resources owing to the covering of land for housing, roads, or other building work" is referred to as "soil surface sealing," and it is a typical outcome of rural anthropogenic activity and infrastructure construction.
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Which items have reduced the quality of North American forests?
MULTIPLE CHOICE!!
aquaculture
pollution
conservation
overgrazing
overfishing
climate change
population growth
logging
Answer:
Logging,pollution,population growth
Explanation:
Logging - Logging, as in most parts of the world is something that destroys the forests, and even if it is regulated properly and new trees are planted when the old ones are taken down, the small trees need much longer period to fully grow and replace the trees that are taken down, while the demand is growing more and more.
Pollution - As in most things, the pollution, mainly the soil and water pollution, are directly damaging the forests and contribute to their dying out because of high intake of toxins.
Population growth - Because of the ever growing population in the United States and the ever increasing demand for new living facilities, the towns and cities are expanding, and this means clearing the forests as well so that the construction work can take place.
In the lateral system of navigational aids, which buoy marks the channel on your port side when entering from the sea
The end of the canal is on the left of navigational aids.
Side markers are buoys and other markers that mark the edge of a safe body of water. Green, green lights, and odd numbers indicate the end of the channel on the harbor (left) side when entering from the open ocean or sailing upstream. The number usually increases as you go upstream.
Side systems are most common with red and green buoys. The Cardinal system is used to mark safe water near danger and features yellow and black buoys. Other auxiliary devices are used to guide the Pleasure Craft operator, and special buoys provide specific information.
The "SIDE" system is the well-known RED-RIGHT-RETURN system. That is, in all navigational aids, waters returning from the sea, even-numbered red markers are on the starboard side of the channel and are marked with odd-numbered green markers. The marker is on the port (left side) side of the channel.
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PLEASE I NEED THIS PROJECT SO BAD PLEASE SOMEBODY HELP ME PLEASE !!!
In this project, you will compare the descriptions of a national park over the last hundred years. Choose a national park to complete the following:
1) Locate a primary source describing the geography and environment of the park. This source should have been written either before, or close to, the time that the park was founded.
A primary source is an original document or artifact that comes from the period of time being studied. Someone from that time period actually wrote, created, or used the object being studied.
Examples of primary sources are diaries, letters, oral histories, and eyewitness accounts.
When searching for a source, consider looking for something written by John Muir, Lewis and Clark, or Theodore Roosevelt. Each of these men wrote descriptions of many of the parks that are protected today.
2) Paraphrase the author’s description in the comparison chart. Be sure to record key characteristics of the geography; you will want specific details for your writing.
To paraphrase information:
Reword the passage from source material in your own words.
Aim for a shorter and slightly condensed version of the original material.
Attribute material to the original source.
3) Locate a secondary source describing the geography and environment of the park today.
Secondary sources are documents written after the event occurred. They provide a secondhand account of the event or topic. Secondary sources often contain more analysis, or even conclusions, regarding the events or topics discussed.
Examples of secondary sources are newspaper and journal articles, academic textbooks, encyclopedias, reference books, and other nonfiction books and websites.
4) Paraphrase the author’s description in the comparison chart. Record specific details and pay close attention to similarities and differences you notice between this source and your previous one.
Then, using your completed comparison chart, create a multimedia comparison of the similarities and differences between the two sources. Your comparison should have at least three sections or paragraphs and can be in the format of a wiki, a Web site, or an interactive poster on the national park.
In the first paragraph or section, discuss the similarities between the descriptions in your sources about the park. Your first paragraph should have at least one properly cited quote and be 70 words long.
In a new paragraph or section, contrast the descriptions of the park in the two sources, explaining what has changed since the park has opened. Your paragraph should have at least one properly cited quote and be 70 words long. Include a properly cited picture of the park to add to your information.
In the final section, analyze the changes that occurred in the park and what caused them. Your paragraph should be well-developed, with complete and complex sentences, and at least 70 words long. Add either a source or a relevant picture to your project that enhances the quality of your presentation. Remember to properly cite your sources.
At the end of your project, create a bibliography page that properly follows the APA Style Citation Guide for citations.
Please put the websites you used to answer this if u did use one.
A sample of how a primary source would describe a national park is:
A Diary EntryThe Montessori National Park was unlike any I have seen. Sure, I have seen bigger national parks, but this one was unique and different.
There is a wide range of different wildlife and the keepers and guides are always ready to give tours and explanations to visitors.
What is a National Park?This refers to the part of a country that has historical significance and is usually a body of water that is protected by the government and has wildlife animals.
Hence, we can see that a secondary source to describe a national park would be:
A newspaper entryThe Montessori National Park has been opened to the public and it has 16,000 square inches of space.
It contains wildlife such as lions, snakes, alligators, monkeys, and many more. It was recorded to have the highest visitors over the past 6 months in the entire state!
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In the oceans, place-to-place differences in water temperature and other characteristics are most prominent:____-.
A) at the bottom
B) in tropical latitudes
C) near the surface
D) in polar latitudes
E) at depths below a few hundred meters
In the oceans, place-to-place differences in water temperature and other characteristics are most prominent near the surface.
The temperature of ocean water varies by location, it has place-to-place differences both in terms of latitude and depth, due to variations in solar radiation and due to the physical properties of water. The ocean surface temperature is the water temperature which is close to the ocean's surface.
The surface temperature of the world's oceans varies mainly with latitude. The warmest waters are generally near the equator and the coldest waters are in the Arctic and Antarctic regions.
There are four factors which are the reason behind temperature variation near the surface, they are- latitude, altitude, ocean currents, and distance from the sea.
Hence, option C is correct.
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Geographers use maps, satellite images, and photographs to organize the world in a(n)______Context
A
erosional
B
plate tectonic
C
spatial
D
fluid
Answer:
The answer to your question is C. spatial
Explanation:
I hope this helps and have a good day!
If a person indeed has diabetes, the percentage of test results that represent a false negative is %. the percentage of test results that represent a false positive is %.
If a person indeed has diabetes, the percentage of test results that represent a false negative is 0.01%. the percentage of test results that represent a false positive is 0.15%.
What is diabetes?When someone has diabetes, their body either produces insufficient insulin or uses it improperly.
A chronic (long-lasting) medical disease called diabetes affects how the body converts food into energy.
The majority of the food we consume is converted by the body into sugar (glucose), which is then released into the circulation.
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Darker colored rocks that are rich in iron and magnesium are are referred to as being ____________________ in composition.
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Darker colored rocks that are rich in iron and magnesium are are referred to as being Ferromagnesian Minerals in composition.
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____________________In the electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7:_____.
a. meters
b. feet
c. micrometers
d. millibars
e. Kelvins.
The electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7 in "Micrometers"
The electromagnetic spectrum is the range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies.
Electromagnetic radiation is consists of waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays. All of these waves form part of the electromagnetic spectrum.
Electromagnetic radiation is produced whenever a charged particle changes its velocity i.e., whenever it is accelerated or decelerated. The energy of the electromagnetic radiation thus produced comes from the charged particle and is therefore lost as it gets discharged.
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Which type of plants grow in desert climates?
a. xerophytic
b. chaparral
c. taiga
d. boreal forests
Xerophytic are the types of plants which grow in desert climates.
Xerophytes plants grow in areas with very little water in the soil and low amounts of rainfall. So, they are commonly found in deserts. Xerophytes such as cacti are capable of withstanding extended periods of dry conditions.
The Xerophytes plants grow in desert climates because they are able to withstand dry climates and also they have deep-spreading roots and capacity to store water which help them in the dry regions.
These Xerophytes plants have leaves with thorns which prevent loss of moisture. Also, their fleshy stems can store water. The xerophytic plants may also grow in salt marshes, frozen land area like the Arctic and Antarctic, or tropical forests.
Hence, option A is correct.
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