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

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

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World Geography
The Mistral is

All of these
very cold wind, which blows down from the plateau of central France
swift, dry, cold northerly wind that blows down from the western Alps and the plateau of Southern F
wind that blows for 100 days a year and may cause extensive frost damage to plants

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World Geography
Which among the following statements is/are correct about Petroleum?Petroleum is an inflammable mixture of oily hydrocarbons.Most of the oil comes from synclines rather than anticlines.Select the correct code from the options given below:

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

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