Give reasons:
Equilibrium is necessary in the various bio-geochemical cycle.

What is Bio-geo-chemical cycle?

Answer the following question: What would you do to help maintain the equilibrium in the various bio-geochemical cycles? Explain in brief.

Give reasons: Oxygen is necessary for life.

Answer the following Suggest measures that should be employed to maintain the equilibrium of various bio-geo-chemical cycles.

Give reason of inert gases

Carbon cylce: Why is carbon cycle called bio-geo chemical cycle?

True or false The cyclic flow of nutrients within an ecosystem is called the bio-geo-chemical cycle.

Give scientific reasons: Air is a mixture

State whether the following statements are true or false. Correct the false statements Climatic changes and human activities seriously affect the speed, intensity and equilibrium of bio-geo-chemical cycles.

Give reasons for deforestation.