Fact 1: Electron transport is the final stage of aerobic respiration.

Fact 2: Aerobic respiration uses oxygen and releases carbon in the form of carbon dioxide.

Given the two facts above, answer the question "what is process is electron transport the final stage of?" with the following options: 
- Transfers energy
 - digest food
 - metabolic reaction
 - converting mass to energy
 - use oxygen, release carbon
 - eating carbon
 - drinking h2o
 - it helps plants in growing


 

     use oxygen, release carbon    