Question

why do we say biogeochemical cycles are in balance

Answer 1

biogeochemical cycle are said to be balanced.the reason behind this is that in it the product which are formed is can be decompose. and not lead to any unexpected effect on the environment..
for example cow dung etc.

Answer 2

A bio geochemical cycle are in balance because it is a chemical or a substanCE that turn over the pathway by which the chemical substances moves through both the biotic and abiotic atmosphere