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The Effects of Earth's Gravity on the Moon. Earth exerts an gravitational effect on the moon that is 80 times stronger than the moon's pull on Earth. This massive gravitational pull caused the surface of the moon to bulge toward Earth, similar to how the moon causes large bodies of water on Earth to bulge
The gravitational pull of the Sun on the Earth is greater than the gravitational pull of the Moon, about 180 times as large due its much greater mass, as explained in class. The tides, however, are caused by the differences in gravitational forces by the Moon on opposite sides of the Earth
It disperses into the water creating ripples hope this helps!
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For the countour part: Map c, contour is 50m (the lines increases/decreases with 50 meters each step). Map b, need to see the whole map to decide.
