What is the process in which two gametes unite

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

All organisms contribute some water to the water cycle by conducting

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000