C because ye ye ye ye ye ye ye
Answer:C
Explanation:
Dont take my word on it but thats what I think.
B, burrowing action of earthworm
The electron transport chain is located on the inner membrane of the mitochondria, as shown below. The electron transport chain contains a number of electron carriers. These carriers take the electrons from NADH and FADH2, pass them down the chain of complexes and electron carriers, and ultimately produce ATP.