The gravitational pull of the moon on earth 's oceans causes the tides.
Tides a tide is vertical movement of water.
The gravitational pull of the moon on earth 's oceans causes the vertical movement of water.
The moon's gravitational pull on Earth 's oceans causes the vertical movement of what?
1: oceans
2: rivers
3: matter
4: waves
5: deserts
6: asteroids
7: the sun
8: water