Water Cycle
What are the three stages in the water cycle
Solid,Liquid and Gas
Plants use CO2 in the process of___
Photosynthesis
In the Phosphorus cycle, phosphorus moves between soil and___
Plants
Our atmosphere is_% nitrogen gas
78%
What turns water on earth into vapor in the water cycle
The sun
Animals will use oxygen in the process of___to make more CO2
Respiration
Too much phosphorus in water leads to__
Plant overgrowth
Higher organisms use nitrogen to make their___
Nitrate
What is tapped into when digging a well looking for water in the water cycle
An underground aquifer
Why is more CO2 released today than ever before?
Fossil fuels
What important chemical does phosphorus make up___
DNA
Special bacteria can directly use nitrogen in our atmosphere, what is this bacteria called?
Proteins bacteria
What process occurs when water changes from a gas to a liquid
Condensation
Too much CO2 in the atmosphere may be responsible for the___
Greenhouse effect
A source of phosphorus in water comes from man-made___
Pollution
Animal waste decay by the action of bacteria will create___
Ammonia
Why is the water cycle important
It is how water reaches plants, animals and us
What is the main regulator of CO2 in the atmosphere
The Ocean
What is phosphorus mostly contained in?
Rocks and Minerals
What bacteria in the soil can break down ammonia?
Plants and Animals Bacteria