When do neap tides occur?
A) only when the Moon and the Sun line up on the same side of Earth
B) whenever Earth, the Moon, and the Sun form a straight line, regardless of which side of Earth the Moon is on
C) only when the Moon, Earth, and the Sun form a straight line, with the Moon on the opposite side of Earth from the Sun
D) whenever the Earth-Moon line makes a 90° angle to the Earth-Sun line

Question

Quizplus · Accepted Answer

Neap tides occur when the gravitational forces of the Moon and the Sun are perpendicular to each other, which happens when the Earth-Moon line and the Earth-Sun line form a 90° angle. This typically results in lower high tides and higher low tides.

When Do Neap Tides Occur