One natural source of co2
Volcanos
What percentage of nitrogen is the atmosphere
78%
How is ground water taken up to the su
Plant roots
a Source of phosphorus is water comes from man made what
Pollution
How did carbon form in deposits
Decay of plants and animals
When bacti decay’s animals it creates
Nitrate and ammonia
What is one of the things the atmosphere is made of
H2O
Too much phosphorus in water leads to
Plant overgrowth
What are examples of fossils fules
Coal,oil, and natural gas
How does nitrate return to the soil
Waste and decaying plants
When water falls to the surface from clouds it is called
Perspiration
Some phosphorus in soil is wash away into what
Basins
What is the main regular for of co2 in the atmosphere
the ocean
Some organisms use nitrogen to create what?
Proteins
Large body of water and very important to the water cycle
Ocean
What do animals create that returns phosphorus into the soil
Waste
what is the photosynthesis equation
Water+co2=sugar+oxygen
Plants and animals can’t use all the nitrogen found in what?
The atmosphere
Water evaporrates and condenses in to what
Clouds
Phosphorus is mostly contained but NOT only contained in what?
Rocks and minerals