The process by which water is taken up into the atmosphere from oceans and lakes.
What is evaporation?
The process that animals use to make CO2.
What is Respiration?
The percentage of our atmosphere that is nitrogen gas.
What is 78%?
Phosphorus is mostly found in these.
What are rocks and minerals?
The process by which water comes down to the surface.
What is precipitatio?
The main regulator of CO2 in the atmosphere.
What is the ocean?
The process by which bacteria releases N2 gas.
What is denitrification?
Phosphorus makes up this as it is important for life.
What is DNA?
The process by which ground water is taken up to the atmosphere.
What is transpiration?
The burning of this creates natural gas, oil and coal.
What are fossil fuels?
Humans turn N2 into this to use on crops.
What is fertilizer?
This is what washes phosphorus into the ocean.
What is geological activity?
The process by which water turned into clouds.
What is condensation?
These things take up CO2 during photosynthesis.
What are producers?
Nitrogen is released by this.
What is excretion?
This is a bad thing that comes out of the phosphorus cycle.
What is overgrowth?
What is surface runoff?
CO2 dissolves in this when coming back down to earth.
What is rainwater?
Nitrogen is taken up by these.
What are primary producers?
The overgrowth of phosphorus leads to this.
What is pollution?