Physics, 05.10.2019 17:00 agelafa

How is the earths surface shaped by weathering, erosion, and deposition. give and example of each

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FULL ANSWERThere are two types of weathering that affect the earth's surface: mechanical and chemical. Mechanical weathering is sometimes called physical weathering and often occurs because of temperature changes on the surface. For example, if enough water seeps into a crack and freezes, it expands. This causes it to work as a wedge and it slowly splits open nearby rocks. As the ice melts, the resulting water carries away bits of the broken rock.Chemical weathering changes the composition of the materials that make up rocks and soil. A good example of this is what happens when carbon dioxide is abundant in an area. High carbon dioxide combined with water produces an acid called carbonic acid. In time, carbonic acid dissolves rock.Although both types of weathering are natural processes, humans and animals often unwittingly speed things up. Animals, such as dogs trampling across rocks and soil, speed up the process and air pollution caused by people increase the rate of weathering.

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the maxium height is 34m/s

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the design of a ski jumping suit involves a trade-off between giving the skiers lift to get higher jumps and ensuring the skier does not face a lot of drag before the jump itself. an expansive suit may to lift the skier higher, but at the same time, it will also increase the air resistance. higher air resistance as the skier goes down the slope limits the speed of the jump. a big suit also increases the risk of losing balance or control, especially if there's a strong gust of wind. while technologically enhanced suits a lot, clothing is not the only factor in a ski jumper’s success. gathering speed while skiing down the slope, ensuring good speed on the ramp, and maintaining good body posture and form in the air all contribute to a ski jumper's success.

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How is the earths surface shaped by weathering, erosion, and deposition. give and example of each...

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