What is enzyme please tell me grade 7

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.

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs