Question

Which cycles are operated in environment? what is their importance?

Answer 1

may be of the carbon cycle,phosphorus cycle, oxygen cycle
these are done to maintain the balance in the environment

Answer 2

There are multiple biochemical cycles operate in environment to regulate and recycle the nutrients. Mentioned below are the names of few cycles:

-Nitrogen cycle

-Carbon cycle  

-Phosphorus cycle

-Water cycle

These cycles are responsible for the cleaning and recycling process of the necessary nutrients and compounds we need to survive in nature.