Answer: the correct answers are A, C, and D.
Explanation:
if the water is in a lake then no ocean water can reach that lake.
Answer:
mid ocean ridges forms because it is responsible for dividing the ocean's.
<span>Active transport means</span><span> moving against a concentration gradient, from a lower concentration to a higher one</span>
<span>When a gene changes within a population over time, it is referred to as evolution. This refers to a long but steady rate of mutations that occur in genes of organisms within the environment. A lot of factors affect a population's evolution (e.g. climate, reproduction, food source) and it is a determinant whether a species will survive for the next generations. </span>
C membrane with the help of a channel protein
