World Geography
Which among the following countries is/are the chief importers of Copper?USGermanyJapanIndiaSelect the correct code from the options given below:

None of these
Only 2, 3 & 4
Only 1, 2, & 3
Only 2 & 3

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World Geography
Which among the following statements is/are correct about the Thermosphere?It lies upto an altitude of 80 km from the earth’s surface.It contains electrically charged particles known as ions.The temperature here starts increasing with heights.The International Space Station and other satellites orbit in this layer.Select the correct code from the options given below:

Only 3 & 4
Only 2, 3 & 4
1, 2, 3 & 4
Only 1, 3 & 4

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

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

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