World Geography
The last major glacial period began about 2,000,000 years before present and is commonly known as

Pleistocene or ice age
Paleocene or ice age
Pliocene or ice age
Holocene or ice age

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

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

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