what is the ocean?
the main regulator of CO2 in the atmosphere, CO2 easily dissolves in it.
What is evaporation?
The process by which liquid turns into gas
What percent of our atmosphere is made up of nitrogen gas?
78%
Where can some of the phosphorus and soils be washed into?
Water basins
What process do animals use to make more CO2?
Respiration
What is condensation?
Process by which gas turns into liquid
What is dentrification?
Bacteria in the soil can break down the ammonia into the gaseous form of nitrogen, which is not available for use by plants or animals.
Where is phosphorous mainly contained in?
Rocks and minerals
What is a natural source for CO2?
Volcanoes
What is precipitation?
Liquid/frozen water that falls back down to the earth’s surface
Animals and plants cannot directly use all the nitrogen found in the…?
Atmosphere
What is another source that contains phosphorus?
Man-made pollution
When there is too much CO2 in the air, may be responsible for what effect?
Greenhouse effect
What is the order in which the water cycle occurs?
Evaporation to condensation to precipitation
Animal waste decay by the action of bacteria, which create what, that are rich in nitrogen and useful for plants to use again?
Ammonia and nitrate
What is the result of too much phosphorus in the water?
Leads to plant overgrowth, which hurts other life forms in water
What produces carbon?
Geological activity and burning of froests and fossil fuels produce carbon
Where does the water come from that evaporates?
Oceans, lakes, and streams
What is the bacteria called that can directly use nitrogen in our atmosphere and fix it so other organisms can benefit?
Nitrogen fixing bacteria
What is phosphorus useful for?
Fertilizer