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swaggy licking pony
Chapter 4-2:The Nitrogen, Carbon, and Water Cycle.
By: The Nitrogen Ducks
The Water Cycle
First, water droplets caused by evaporation from large bodies of water, like oceans, form clouds. When these water droplets become large enough, they fall to the ground as precipitation. Some forms of precipitation are snow, sleet, hail, and rain. Most of the precipitation fall to the ground and fill lakes, streams, and rivers. This is called runoff. The precipitation may also go to rock or soil, where it becomes ground water.
Nitrogen in the air (70%) gets converted into a useful form by nitrogen fixing bacteria in the soil. this is taken up by plants, may be eaten by animals, when the living thing dies it is broken down by bacteria which return the nitrogen to the atmosphere.
Carbon cycle is the movement of carbon from nonliving environment into living things and back. It first starts with the sun giving the plant energy, then the animal eats the plant and then, the energy is now transferred to the animal. When the animal breaks down the food it releases energy, then the carbon is released back to the air. When the living organism dies other organisms breaks down its remains, this is called decomposition. After the process it releases the carbon dioxide from the dead organism back into the air.
One example of another cycle is the Phosphorus cycle. The Phosphorus cycle is found in living things. Roots of plants absorb phosphorus from the soil. Animals obtain the phosphorus from the plants when the animals eat the plants. When animals die, the phosphorus goes back to the soil through decomposition.
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