Why is cohesion of water important to life on this planet?

What are two ways in which waves erode the land?

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?