Lakes and ponds which have limestone or calcium carbonate are affected less by acid rain than those which have granite. this is because ?

In complete sentences describe the energy flow between the sun, the earth, and space.

What is called the "building block" of life?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.