What is the combined alleles of all individuals in a population

How does friction with the atmosphere affect the speed of an artificial satellite

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

Which type of landform forms at the plate boundary as a result of divergent stress