You are presented with the question "the gravitational pull of the Moon on Earth's oceans pumps what into the oceans?" and the following answer choices: 
- rivers
 - oxygen
 - saltwater
 - seaweed
 - energy
 - water
 - fish
 - h2o

Now knowing that the gravitational pull of the Moon on Earth 's oceans causes the tides and energy is pumped into the ocean by the winds and tides, choose the best answer.


 

     energy    