Carbon dioxide + water = oxygen + sugar
What is the photosynthesis equation?
Not found in the free state of nature
What is phosphorus?
78% of our atmosphere
What is nitrogen gas?
Taken up by plant roots and then, through, transpiration, released to the atmosphere
What is groundwater?
Respiration
How do animals use oxygen to make more CO2?
Too much phosphorus in water leads to…
What is plant overgrowth?
Create ammonia and nitrate products rich in nitrogen
What is animal waste decay by the action of bacteria?
Falls to the surface as precipitation
What is water?
Main regulator of CO2 in the atmosphere
What is the ocean?
Another source of phosphorus in water
What is man-made pollution?
Breaks down the ammonia in the soil into the gaseous form of nitrogen, which is not available for use by plants or animals
What is denitrification bacteria?
Water from oceans and lakes evaporates and then condenses
What are clouds?
Coal, Oil, and Natural Gases
What are the deposits that are burned as fossil fuels?
Some of the phosphorus in soils can be washed away into…
What are water basins?
Higheer organisms use nitrogen to make…
What are proteins?
Water
What is H2O gas?
Natural source for CO2
What are volcanoes?
Phosphorus makes up an important chemical
What is DNA?
special bacteria that can only directly use nitrogen in our atmosphere and “fix” it so other organisms can benefit
What is nitrogen-fixing bacteria?
Powered from the energy emitted by the sun
What is the water cycle?