Nitrogen Cycle

Question 1

Atmosphere

Answer 1

The layer of gases that surround the earth; the air.

Question 2

Component

Answer 2

A part or element of a larger whole.

Question 3

Precipitation

Answer 3

Water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the earth.

Question 4

Mutual

Answer 4

Held in common by two or more parties.

Question 5

Gaseous

Answer 5

Relating to or having the characteristics of a gas.

Question 6

Toxic

Answer 6

Very harmful or unpleasant in a pervasive or insidious way.

Question 7

Nitrogen

Answer 7

The chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth’s atmosphere.

Question 8

Nitrogen cycle

Answer 8

The biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among the nitratmosphere, terrestrial, and marine ecosystems.