Question

Why does nitrogen cycle is a perfect cycle

Answer 1

1. The decay causers

2. The nitrifiers

3. The denitrifiers

4. The nitrogen fixers

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Answer 2

1) Nitrogen cycle is called a perfect cycle in the biosphere because it keeps or maintains the over all amount of nitrogen constant in atmosphere, soil and water.

2) Nitrogen cycle depends upon at least four different kinds of bacteria known as the decay causers, the nitrifiers, the denitrifiers, and the nitrogen fixers. There is a regular circulation of nitrogen through the air, soil, plants and animals through nitrogen cycle.