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As polar bears' population decrease, it creeps ever close to extinction This decrease in the population is due to loss of habitat (floating sea ice). This loss of habitat is caused by which of the following?
A. oil spills from ocean drill sites
B. human cities and houses being built in their habitats
C. Global warming
D. introduced can toads which are out competing polar bears for food
Help with this plz.
Answer:
just bro easy aquatic answer
Explanation:
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copy and paste .
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Answer:
i'd say it's camouflage...?
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Why is this considered a theory instead of a hypothesis
or a law?
se
O It is a statement of fact about how nature works
instead of an explanation.
o It provides an explanation for many observations and
accepted hypotheses.
o It describes how to test a possible explanation of one
specific relationship.
It has not changed over time even though new
technology has been developed.
Answer:
C
Explanation:
What reacts with sulfur dioxide in
the atmosphere to form acids that
return to the surface as either dry
or wet deposition?
Answer:
Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Students investigated body temperature in the class.
The bar chart shows the results.
Body temperature in °C
0 One student used the bar chart to calculate the mean body temperature of the class.
The student calculated the mean body temperature as 37.0 °C.
How did the student use the bar chart to calculate the mean?
(2 points)
00
7.
6
5
The bar graph that is essential to answer the question is attached with the answer:
Answer:
The correct answer is given as follows:
Explanation:
Mean is the average in a common or informal way. It can be calculated by Adding the total numbers up and divide them by the total number of values in the set.
In this case: 37 is the mean value that can be calculated by:
adding all the values: 36.7+36.8+36.9+37+37.1+37.2+37.3 = 259
Number of sets = 7
then mean = 259/7
= 37
Thus, the mean can be calculated by total value divided by the number of sets
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Answer:
East to West
Explanation:
According to Chargoff rule, if a sample of DNA is 32% Adenine, what is the percentage of Guanine?
Answer:
18%
Explanation:
Chargaff's rule states that A = T and C = G
The equation for this must be A + C = T + G
A and T should both be .32 since they're equal
--> .32 + C = .32 + G
Both sides must equal each other by .50
.50 - .32 = .18
.18 × 100 = 18% Guanine and also 18% Cytosine
HELP PLEASE ASAP
Which of the following is common between mitosis and
meiosis?
a. Interphase land Interphase ||
b. S Phase of Interphase
C. Crossing Over
d. Tetrad Formation in Prophase
Answer: i think its B
Are there any parts of the human body that get oxygen directly from the air and not from the blood?
other then the lungs no all of the body parts get oxygen from blood cells
Electrons were discovered because of the their
a. charge
b. movement
c. mass
d. shapre
what rock forms by heat and pressure deep underground
Answer:
igneous rock ............
I NEEEEDDD HEELP PLZZZ
Answer:
1 red, 2 pink, 1 white
Explanation:
RW x RW = 1 RR, 2 RW, 1 WW
I assume that RR is red, RW is pink, and WW is white
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Would DNA fingerprinting be useful in solving crimes if there was no such thing as nonsense codes/junk DNA?
T or F _ Cytosine, guanine, thymine and adenine are referred to as phosphates.
T or F DNA is in the shape of a helix.
A nucleotide is made up of a suqar, phosphate and two nitrogen bases.
Replication is performed prior to cell division.
Adenine always pairs with quanine.
Complementary base pairing matches up complementary sugars.
T or F _The sides of the DNA molecule are made up of repeating nitroqen bases and suqars.
The letters that make up the DNA molecule code for qenes.
T or F _ Replication results in two strands of DNA, each of which has half of the oriqinal strand.
T or F Covalent bonds hold nitrogen bases together, forming the rings of the DNA ladder.
Answer:
f t f t t t f ? t f
Explanation:
Cytosine, guanine, thymine and adenine are NOT referred to as phosphates (they are nitrogen bases), whereas DNA is in the shape of a double helix'.
A nucleotide is made up of sugar, phosphate and a nitrogen base.The replication is performed after cell division.Adenine always pairs with thymine, whereas cytosine pairs with guanine.Complementary base pairing matches up nitrogen bases.The letters that make up the DNA molecule code for genes.Replication results in two strands of DNA, each of which has half of the original strand.Hydrogen bonds hold nitrogen bases together, forming the rings of the DNA ladder.In conclusion, Cytosine, guanine, thymine and adenine are NOT referred to as phosphates (they are nitrogen bases), whereas DNA is in the shape of a double helix.
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Answer:
A . 10 is the population density in pond a B .20 is the population density in pond b C . pond b is the larger Population density
Translation or protien synthesis is a
a) One step process
b) Multi-step process
c) reversible process
Answer:
Multi-step process
Because it can be done twice or more
explain reproduction in hydra
Answer:
Budding
Explanation:
The common asexual method of reproduction by hydras is budding. Buds originate at the junction of the stalk and gastric regions. The bud begins as a hemispherical outpouching that eventually elongates, becomes cylindrical, and develops tentacles. The bud then pinches off and a new individual becomes independent. Buds are produced every two to three days under favorable conditions. Following unfavorable conditions, such as injuries or periods of scarce resources, hydras occasionally reproduce through transverse and longitudinal fission.
Identify the type of RNA molecule shown in each of the following pictures. You can use the abbreviated names in your answers.
The Green River Formation is famous because it
is the largest fossil deposit in the world
contains the oldest known bat fossil
has the most recently discovghed fossil deposit
is the best known location for carbonized fossils
NEXT OUESTION
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Answer:
is the largest fossil deposit in the world
contains the oldest known bat fossil
B. What is the distance between the two troughs?
Which monomer – polymer pair below is mismatched? *
2 points
amino acid-protein
glucose-glycogen
glucose-starch
amino acids-nucleotide
Answer:
glucose-glycogen
Explanation:
Because extra glucose is converted into glycogen and stored for when it is needed. It is not a polymer pair.
The ___ is the mostly closely linked with the destruction of worn out cells.
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Answer:
Answer: The hottest time of the day is around 3 p.m. Heat continues building up after noon, when the sun is highest in the sky, as long as more heat is arriving at the earth than leaving. By 3 p.m. or so, the sun is low enough in the sky for outgoing heat to be greater than incoming.
Explanation:
Answer:
The third one
Explanation:
What causes Earth's seasons?
Fill in the blanks.
There are ___ different amino acids
Answer:
twenty
Explanation:
What types of reactions are catalyzed by enzymes?
A. Hydrolysis
B. Dehydration Synthesis (also known as Condensation)
C. All of these
D. Other types of reactions
Answer:
is B. Dehydration synthesis
Explanation:
I hope this helps
The types of reactions are catalyzed by enzymes which is also known as dehydration Synthesis as condensation. Thus, option B is correct.
What is dehydration synthesis?
When the level of water has been decreased the phenomenon has been known as the dehydration and the types of reactions are catalyzed by enzymes which is also known as dehydration Synthesis as condensation.
Enzymes has been known as the biological catalyst that has been speed up the chemical reaction that use to carries out in the body. Enzymes are the protein by the nature and there are number of the enzymes present in our body such as the salivary amylase, pepsin, renin, lyases, lygases etc
The main function of the enzyme has to make the metabolism fast as well as speed up the chemical reaction carried out in the body. The best example of the enzyme has been salivary amylase which has an enzyme and it is present in the saliva and helps in the digestion of food.
Therefore, The types of reactions are catalyzed by enzymes which is also known as dehydration Synthesis as condensation. Thus, option B is correct.
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Start off with 2,500 plants of which 50% have medium-tip leaves, 25% have wide-tip leaves, and 25% have drip-tip leaves,
Each circle in your simulation will represent 125 organisms. Calculate how many circles you need for each trait, and then
create your simulation. Be sure to include a key that states the color coding for each trait.
Answer:
I don´t know if this is right, but this is what I got.
Explanation:
A certain dominant gene is located on the X chromosome. A father will transmit the Gene and the resulting condition to:
as the frequency of a wave increases the sound ___
Answer: Gets higher
Explanation:
Answer:
the sound also increases i will give example C: As the mass of the ball increased then how far the ball went also increased.
E: According to the data, if the mass of the ball was 5, then how far the ball rolled would be 2 Meters.
E: According to the data, if the mass of the ball was 15, then how far the ball rolled would be 4 Meters.
Explanation:
what type of cells carry out cellular respiration