The earth atmosphere

Fabean Parker

Troposhere is the lowest layer . It contains 75 percent of atmosphere mass,the weight of the molecules in the air is 14.7 lb.

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2 years ago
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Stratosphere is the second layer after troposphere. The bottom of the stratosphere varies with latitude of the seasons. The top of the stratosphere occurs at latitude of 50 km (31 miles)

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mesosphere is the third layer. The mesosphere is located 50 to 85 kilometers (30 to 50 miles) above earths surface.also it surround the earth.it really means middle sphere. the point where mesosphere ends is called the mesopause

2 years ago
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Thermosphere is the biggest of all layers of the Earths atmosphere the thermosphere begins about 80 kilometers (50 miles). At these high altitudes, the residual atmospheric to molecular mass (see turbosphere)

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The exosphere is the uppermost region of earths atmosphere. the layer directly below the exosphere is the theremospere; the boundary between the two is called the thermospause.