Carbon and nitrogen cycles
Carbon and nitrogen are two essential elements in the Earth's ecosystem. Carbon is found in the atmosphere, in the soil, and in all living things. Nitrogen is found in the air, in the soil, and in all living things. These two elements are constantly cycling through the environment, moving from one form to another.
Importance of the carbon and nitrogen cycles to ecosystems
The carbon and nitrogen cycles are important to ecosystems because they provide the nutrients that plants need to grow. Plants use carbon dioxide from the atmosphere to make food, and they use nitrogen from the soil to make proteins. These nutrients are essential for the survival of all organisms.
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