Which of the following best describes the origin of ocean tides on Earth?
A)Tides are caused by the difference in the force of gravity exerted by the Moon across the sphere of the earth.
B)The Moon's gravity pulls harder on water than on land,because water is less dense than rock.
C)Tides are caused by the 23 1/2° tilt of the earth's rotational axis to the ecliptic plane.
D)Tides are caused primarily by the gravitational force of the Sun.
E)Tides are caused on the side of Earth nearest the Moon because the Moon's gravity attracts the water.

Question

Quizplus · Accepted Answer

Tides are primarily caused by the gravitational force of the Moon, which is stronger on the side of the Earth facing the Moon and weaker on the opposite side of Earth. This difference in gravitational force causes the tides to rise and fall. The Sun also has a smaller effect on tides as it is much further away than the Moon, but it does contribute to the tides in a secondary way. Other factors, such as the shape of the coastline and ocean currents, can also affect the height and timing of tides.

Which of the Following Best Describes the Origin of Ocean