The overall specific gravity of the earth is much higher than the specific gravity of crustal rocks which means the earth is about twice as heavy as the rocks on the surface would suggest. Iron meteorites are thought to have the same composition as the average earth, and the meteorites contain a lot more iron than the Earth's surface rocks.
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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
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A canal that connected the Hudson River to Lake Erie.
Explanation:
The construction of this channel was something innovative and that generated very positive reactions to the public. First, this was a bold construction that used many innovative concepts, being considered one of the newest wonders in the world. Secondly, this construction would improve the lives of many people, as it would allow a fixed and continuous connection from the northwest to New York, facilitating transportation in a great way.
Ammonia A ..... c,b,d all come from crude oil
Answer:
Aurora, luminous phenomenon of Earth's upper atmosphere that occurs primarily in high latitudes of both hemispheres; auroras in the Northern Hemisphere are called aurora borealis, aurora polaris, or northern lights, and in the Southern Hemisphere aurora australis, or southern lights.
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