Answer:
c. the sun
Explanation:
The sun is the most basic source of energy for all living beings. It supports photosynthesis in plants and algae that is the main reaction for producing energy rich compounds like carbohydrates etc. These compounds are utilized by all life on Earth to stay alive.
 
        
             
        
        
        
The answer would be C because the car is can be refueled just like a normal car but is mostly powered by a electrical battery/motor