Fact 1: The gravitational pull of the Moon on Earth 's oceans causes the tides.

Fact 2: To the west is the Pacific Ocean.

Given the two facts above, answer the question "the gravitational pull of the Moon on what causes the tides?" with the following options: 
- the sun
 - earth
 - squids
 - mountains
 - Pacific
 - Jupiter
 - amoebae
 - our star


 

     Pacific    