World Geography
Which among the following statements is/are correct about the stratosphere?The Stratosphere is the layer of the Earth’s atmosphere which lies beyond the mesosphere.It extends up to an altitude of 50 kilometres from the earth’s surface.This layer is ideal for flying aeroplaneSelect the correct code from the options given below:

Only 1 & 2
Only 2 & 3
Only 1
1, 2 & 3

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World Geography
The initial increase of magnetic field in magnetic storms is caused

None of these
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
when the gust wind itself engulfs the magnetosphere
when there is a large decrease in field intensity

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