<span>Catalysts increase the rate of reaction without being used up. They do this by lowering the activation energy needed. With a catalyst, more collisions result in a reaction, so the rate of reaction increases. Different reactions need different catalysts.</span>
Answer:
white lighf contains all the colors of the rainbow
The parents are both heterozygous (Pp) the genotypic ratio is 1:2:1 (PP:Pp:pp) and the phenotypic ratio is 3:1 (PP&Pp:pp)
