Answer:
DNA
Explanation:
Mutations are changes to an organisms DNA that creates diversity within a population by introducing new alleles. Some mutations are harmful and are quickly eliminated from the population by natural selection harmful mutations prevent organisms from reaching sexual maturity and reproducing.
Answer:
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Explanation:
Answer:
down
Explanation:
because gravity come from the center of the earth the gravitational pull, pulls us down.
Answer:
The answer is A. True, salts are indeed clear because there are no free electrons to interact with ambient light.
D. Phytoplankton are most efficient