1.When the effects of the moon and sun work together, this is what kind of tide?

A)Neap tide
B)Fall tide
C)Spring tide**
D)New moon tide

C) Spring tide

To determine the type of tide when the effects of the moon and sun work together, we need to understand the concept of gravitational forces.

The moon exerts a gravitational force on Earth, causing the tides. The sun also contributes to the gravitational pull, although its force is about half as strong as the moon's. When the moon and sun are aligned with each other and Earth, their gravitational forces combine, resulting in a stronger gravitational pull on the Earth's oceans.

This alignment occurs during both the new moon and full moon phases. During a new moon phase, the moon is positioned between the Earth and the sun. During a full moon phase, the Earth is positioned between the moon and the sun.

When the moon and sun are aligned, their combined gravitational forces intensify, creating a larger tide. This type of tide is referred to as a spring tide.

Therefore, when the effects of the moon and sun work together, the tide that occurs is known as a spring tide.