Explain why energy flows linear and matter flows circular in the biosphere.?

Question

I don't really understand this, I see that there are different cycles (hydrologic cycle, carbon cycle, nitrogen cycle)... It flows circular because it gets reused right? Why does energy flow linear? Thanks!!

Answer 1

Matter is never actually used, only transformed. The energy used or made when transforming the matter is what goes in one direction, the matter can be reformed into it's original state as if nothing had happened to it in the first place.

No matter how much energy we create matter will never decrease.

I hope this helps.