How much does the sun influence tides on earth?

several times as much as the moon
twice as much as the moon
about as much as the moon
half as much as the moon

The sun influence tides on Earth is half as much as the moon. THe answer is D. 

Sun's Tidal Effect. Even though the Sun is 391 times as far away from the Earth as the Moon, its force on the Earth is about 175 times as large. Yet its tidal effect is smaller than that of the Moon because tides are caused by the difference in gravity field across the Earth.

Answerat least a bachelor's degree;