Carbon cycle
Plants use what process to make sugar and oxygen
Photosynthesis
What is phosphorus mostly contained in?
Rocks and minerals.
How much percent of our atmosphere is nitrogen gas?
78%
What are examples of fossil fuels?
Coal and oil and natural gas.
What do animals make more of in the process of respiration
CO2
What important chemical does phosphorus create?(three letters)
DNA
Animals and plants can’t directly use all the nitrogen found in what?
Our atmosphere.
What is a main regulator of Co2 because Co2 easily dissolves in it.
The ocean.
Why is co2 released more into the atmosphere more today then in the past?
Burning of fossil fuels
What is a source for phosphorus that is manmade?
Manmade water.
What bacteria is used to fix so it can be used by other organisms?
Nitrogen fixing bacteria
True or false, animals contain nitrogen and phosphorus.
True
What is a natural source for CO2?(Its like a mountain)
Volcanoes
what happens if there is too much phosphorus in water.
plant overgrowth
higher organisms use nitrogen to make their?
Proteins
What is may be responsible for the green house efffect.
Too much CO2 in the atmosphere.
6CO2+6H2O→C6H12O6+6O2.
Why is use of too much phosphorus rich fertilizers bad for the environment?
It could run into the water and cause overgrowth.
What is denitrification?
Where animals eat plants containing nitrogen and is returned to the soil by animal nitrates or decaying ammonia.
They need to eat plants.