Question

define Biogas--Chemical cycle​

Answer 1

Answer:

Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen (anaerobically), primarily consisting of methane and carbon dioxide. ... This closed system is called an anaerobic digester, biodigester or a bioreactor.

Answer 2

Answer:

A biogeochemical cycle is one of several natural cycles, in which conserved matter moves through the biotic and abiotic parts of an ecosystem. ... The abiotic components can be subdivided into three categories: thehydrosphere (water), the atmosphere (air) and the lithospheric rock