Question

1. describe how do external sources of energy make matter move through the earth system? 4. identify describe two ways nitrogen gas is changed into forms that living things can use. 5. compare what is one way the phosphorus cycle is different from the carbon, nitrogen, and water cycles?

Explanation:

1. Solar energy drives winds, water - cycle. Gravity also plays a role.
2. Nitrogen fixation by bacteria; lightning converts nitrogen.
3. Phosphorus cycle is mainly terrestrial, lacks a gas phase in atmosphere.

Answer:

1. Solar energy and gravity move matter.
2. Bacterial fixation, lightning conversion.
3. Mainly terrestrial, no atmospheric gas phase.