Which of the following best explains why it is important to protect rivers? a) we depend on them to provide us with our main source of food b) without them we would lose money made through overseas trade c) we depend on them to me our basic needs by providing drinking water d) without them animals in marine ecosystems would become overpopulated

(D) without them animals in marine ecosystems would become over populated

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.