Answer:
b
Explanation:
mutations in an amino acid sequence affect the function of its protein
Answer:
All of the above are involved in moving water up to the branches and leaves
They are beneficial because humans not only live but also perform all economic activities on land.
Answer: Steep, high velocity, no silting. The high water speed picks up silt from the bottom instead of letting it settle to the bottom. When the land gets level like often happens at the mouth of rivers where the water spreads out and slows down, silt settles to the bottom and you could get a wide, shallow delta.
(Put in own words this is from online hope it helps)