Question

decomposition reaction is an example of
aerobic reaction or anaerobic reaction? ​

Answer 1

This process is called “composting” and the final product of composting is called “compost”. Generally speaking there are two processes that yield compost: ANAEROBIC (without oxygen) decomposition. AEROBIC (with oxygen) decomposition and stabilization.

Answer 2

aerobic reaction

as o2 is needed for decomposition of anything. ...