World Geography
The steady or initial phase of the magnetic storms is

magnetic storm at middle and low altitudes
None of these
a sharp increase of the field
preceded by storm sudden commencement

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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:

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

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