What type of energy transformation takes place when carbon is cycled during cellular respiration?

A) Chemical energy to chemical energy

B) Chemical energy to electrical energy

C) Mechanical energy to chemical energy

D) Mechanical energy to mechanical energy

C

Explanation:

A coal-fired power plant involves these energy transformations: Chemical energy in the coal is converted into thermal energy in the exhaust gases of combustion. Thermal energy of the exhaust gases converted into thermal energy of steam through heat exchange.