Correct answer

 

Since all of the possibilities are examples of renewable energy sources, all of the answers are correct.​

​

 

 

 

 

 

 

 

 

 

 

Renewable energy is natural energy that can be used again and again and will never run out. Renewable energy sources include: biomass, geothermal, hydro, solar, wind (aeolic), ocean thermal, wave action, and tidal action.

 

(http://www.energykids.eu/what-is-renewable-energy)