The addition of any substance to water that has a negative effect on living things is called recycling. t f

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

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