B. It's less dense. Ice floats<span> because it is about 9% less dense than liquid water.</span>
When a scientist say's organisms have the same universal genetic code it mainly means that the
"organisms use the same four nucleotide bases." Now <span>organic molecules that serve as the monomer units for forming the nucleic acid polymers.
Hope this helps!
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Answer:
A major factor in determining the mode of nitrogen excretion is the availability of water in the environment. Generally, aquatic animals excrete mostly ammonia, whereas terrestrial animals excrete either urea or uric acid.
Explanation:
The chemical is called Cholecystokinin,it helps<span> stimulates the gallbladder to contract and release stored bile into the intestine
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Answer:
The answer is between a or b
but I strongly suggest the option a.
Evolution is the answer