HELP ME PLEASE JUST ANSWER THE QUESTION RIGHT

Energy derived from hot rocks and fluids beneath the earth’s surface is

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.

Acommon kind of mechanical weathering is called