World Geography
Which among the following statements is/are correct about impact crater?They are formed by the hypervelocity impact of a smaller bodyThe have similar composition like sinkholes, glacial cirques,etcSelect the correct code from the options given below:

Only 2
Only 1
Neither 1 & 2
Both 1 & 2

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

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

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