Q.
Which of the following statement(s) is / are correct about biogeochemical cycle -
$A$. Carbon and nitrogen cycle faster than phosphorus cycle
$B$. All biogeochemical cycles include both organisms and nonliving components
$C$. Most elements remain longest in the living portion of their cycle
$D$. The chemical elements used by organisms in large quantities cycle back and forth between organisms and environment.
Ecosystem
Solution: