Is nitrogen biotic factor or abiotic factor?

Answer 1

no, it is not a biotic factor it is a cycle which combines different elements together and converts molecules to other ones. it is not biotic nor is it abiotic but rather it includes both biotc and abiotic factors such as soil, lightning, producers, consumers, decomposers, etc

Answer 2

It happens in cells, so it most certainly is.

Answer 3

it is abiotic factor it helps plants grow.