One km is equal to
A. 0.62 ft

B. 3280.8 ft

C. 1.61 ft

D. 5280 ft

It’s equal to 3280.8 ft

Yep

Your answer will be b action plan.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.