Answer:
Explanation:
Seashells are the exoskeletons of mollusks such as snails, clams, oysters and many others. ... Mantle tissue that is located under and in contact with the shell secretes proteins and mineral extracellular to form the shell. Think of laying down steel (protein) and pouring concrete (mineral) over it
Yes, geographers do study the growth pattern of world population; its a branch of geography called demography
Great plains is the broad interior are of north america that used to be grasslands
