What prevents continental crust from diving toward the mantle?

What direction does the mississippi river flow

Which of the following is a characteristic differentiating tropical and temperate rainforests? a. the location b. the types of trees c. the average temperature d. all of the answers are correct

Which of the following is an important principle of how water moves through a watershed? a. most freshwater is in the form of ice. b. small streams flow into larger streams. c. each watershed contains only a single source of water. d. clouds are formed through evaporation and then condensation.