World Geography
The ionosphere includes

thermosphere, exosphere and mesosphere
thermosphere
mesosphere
thermosphere and exosphere

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

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

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