Answer:
Plants and animals are decayed by bacteria leaving the organic waste which enhances soil fertility. Some bacteria even absorb nitrogen from atmospheric air and fix in the soil making it available to plants in the form of ammonia.

Explanation:

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Answer:

When soil organisms decompose dead plant material, they release carbon and nutrients including nitrogen and phosphorous that are essential components of DNA and compose parts of plant cells. Soil organisms use some of these nutrients, but many of them are used by actively growing plants.

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