Question

What is the basic cause of ocean tides? A. Gravitational attraction between the Moon and the entire solar system B. Gravitational force of atmospheric pressure C. Gravitational force of volcanic activity D. Gravitational attraction between Earth, the Moon, and the Sun

Answer 1

The answer is D, the solar system and atmosphere don't have an effect on our Earth's tides.

Answer 2

The answer is D - the Gravitational attraction between the earth and the moon.