What was the purpose of the tennessee valley authority (tva) during the great depression?
a) to insure bank deposits in the united states
b) to create job opportunities in national parks
c) to reduce farm surpluses and raise agricultural profits
d) provide electrical power to an poor and rural regions of the u. s.

Which of the following statements about pesticides and residue is false? a. most conventionally grown produce has detectable levels of pesticides when purchased from the store.b. the us government has determined that small levels of pesticides in produce is safe for humanconsumption.c. organic produce always will be pesticide-free.d. farm workers, children, and pregnant women are at greatest health risk from pesticides. select the best answer from the choices provided.

Compare demographic and environmental effects of the columbian

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel