You are presented with the question "What process can help heat up a stove?" and the following answer choices: 
- Movement of an air mass
 - Electrical
 - Fuel cells
 - Electrical energy
 - kinetic energy
 - direct energy
 - Chemical energy
 - metabolic reaction

Now knowing that astove is used for cooking by generating heat and metabolic reations generate heat, choose the best answer.


 

        metabolic reaction 