How does global air circulation and ocean currents lead to the formation of forests, grasslands and deserts that make up the earth’s terrestrial biomes.

"d.) carbon dioxide and hydrogen sulfide"

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

the correct answer to this question is #5