What is the basic cause of ocean tides?
AGravitational force of volcanic activity
BGravitational attraction between the Moon and the entire solar system
CGravitational attraction between Earth, the Moon, and the Sun
DGravitational force of atmospheric pressure
AGravitational force of volcanic activity
BGravitational attraction between the Moon and the entire solar system
CGravitational attraction between Earth, the Moon, and the Sun
DGravitational force of atmospheric pressure