Which river is the longest in the world? a. nile b. amazon c. yellow d. yangtze i think its a or b

Food can come from sustainable or unsustainable resources. why has the united nations suggested that bugs could be a better source of food than animals like pigs or cattle?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Iceland has taken advantage of its geology to meet a. political needs b. energy needs c. cultural needs d. economic needs answer b. energy needs