cycle in which water moves through the environment

Petroleum is made from

In what process do bacteria and fungi break down a dead organism's tissues and use some of the carbon as food?

water turning into water vapor

Plants and animals release _________ as a product of respiration.

water vapor turning into water

Ammonia is a usable form of _______ that bacteria use in the ______ cycle.

Water falls to Earth as rain after water vapor ______ into clouds.

Chemicals and pesticides get into groundwater supplies through ______

Which of the following describes a part of the nitrogen cycle? Plants use nitrogen gas and return it to the soil. Lightning turns fixed nitrogen into nitrogen gas. Bacteria in the soil fix nitrogen for plants.

plants losing water through their stomata

water falling from clouds

During ______, plants use sunlight, water, and carbon dioxide to make their own food.