Biogeochemical Cycles Intro

Last updated almost 4 years ago

5 questions

1

The amount of water on earth changes over time.

True

False

True

False

True

False

True

False

True

False

The amount of water on earth changes over time.

True

False

Carbon, Nitrogen, Phosphorus, and Water all cycle through the Earth using natural and human processes. 

True

False

Humans do not affect the nitrogen cycle.

True

False

Fossil fuels are a source of carbon.

True

False

Animals obtain carbon by eating plants or other animals.

True

False