Need help ASAP marking brainllest if its right

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

What type of competition exsist between two species. turtles and fish

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.