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

Fact 2: Tides create current.

Given the two facts above, answer the question "If the moon was not present, what would happen to ocean currents?" with the following options: 
- erosion
 - Movement
 - decrease
 - summer end
 - imbalanced
 - flooding
 - watershred
 - rivers


 

   decrease      