Wealthy plantation owners were among the (north or south)?

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?

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?