Explain what causes spring and neap tides, and identify the phases of the moon when these tides occur. Be sure to mention what happens to Earth’s crust, ocean water, and the positions of the Sun, Earth, and the moon.

Spring tides occur when the moon is full or new. ... The moon's gravity and the Sun's gravity pull Earth's crust and ocean water. This causes tides to be higher than normal. At neap tide, the moon and the Sun are at right angles to each other

Explanation:

the aswer is letter c