Name the atmospheric layer that has following characteristics: I. This layer extends to a height of about 440 km. II. In this layer, temperature rises 14800C. dramatically reaching upto III. This is due the fact that the gas molecules in this layer absorb the X-rays and ultraviolet radiation of the sun. IV. It protects Earth from meteors and satellites as its.

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(a) Thermosphere — Thermosphere (Ionosphere) is that layer of the atmosphere which is spread from 80 to 400 km height. The temperature in this layer increases with height. Amazing electrical and magnetic phenomenas keep on happening in this due to its specialities. D Layer- Its height is found to be 80-96 km. High and low frequency radio waves are reflected from this layer. E-Layer- Its height is 96-144km. Medium radio waves are reflected from this layer. Northern polar lights and southern polar lights are visible in this layer. F-Layer- Its height is 144-360 km. Short radio waves are reflected form this layer. G- Layer- This is the uppermost layer of the Iono sphere. Due to which all types of waves can be reflected.

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(B) Mesosphere

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(C) Stratosphere

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(D) Toposphere

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