Which statement best describes cancer cells

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

What is thought to have caused the mass extinction at the end of the cretaceous period?

As a small change in a person's dna can cause a genetic disorder