Question 24 | GED Science Practice Test 1

Question 24 of 25


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Tides are caused by:

Read the following passage from

By far the most important factor affecting the movement of water across the ocean is the tides.
Tides are great bulges of water caused by the gravity of the Moon and Sun. Attracted by gravity,
these bulges move around the Earth’s oceans, causing water levels to rise and fall. Typically
water will rise for about six hours, followed by six hours of falling water depths.


Tides. (2013). Geography for kids, The study of our Earth. Retrieved October 17, 2013, from

Tides are caused by:

A. Solar energy
B. Water bulging
C. The pull of gravity
D. Movement of water over six hours