You are presented with the question "the gravitational pull of the Moon on what causes the tides?" and the following answer choices: 
- the sun
 - earth
 - squids
 - mountains
 - Pacific
 - Jupiter
 - amoebae
 - our star

Now knowing that the gravitational pull of the Moon on Earth 's oceans causes the tides and to the west is the Pacific Ocean, choose the best answer.


 

     Pacific    