What is primary productivity? Explain the factors effecting it.

What is primary production?

What is net primary productivity?

What is primary productivity? List two factors affecting it. What is the major difference between GPP and NPP?

Explain primary productivity and the factors that influence it.

Explain primary productivity and the factors that influence it

Define Productivity. What is primary productivity? Give brief description of factors that affect primary productivity.

What is primary productivity? Give brief description that affect primary productivity.