Explain the main reactions that take place between light and dark phases of photosynthesis

The model illustrates a process by which a substance is taken up by a cell

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Which characteristics are typical of a human population in the postindustrial stage?