You are a geologist who discovers a distinctive type of bedrock in two areas that are approximately 150 miles north and south of each other. Which of the following best explains this observation?

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.