Why are tides regular and predictable daily events? A: They are mainly caused by the regular revolution of the sun around the moon.

B: They are mainly caused by the regular revolution of the moon around the Earth. The moon pulls the oceans as Earth rotates through 2 high and 2 low tides each day.

C: They are mainly caused by the regular revolution of the Earth around the sun. The sun pulls the oceans as Earth rotates through 2 high and 2 low tides each day.

D: None of these are correct.