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
Additional Questions
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The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earths orbit. |
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The ionosphere contains ionized air that protects the earth from |
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The horizontal of soil profile is composed of |
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The largest city in Latin America is |
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The highest and lowest values of a weather element observed over the entire period of record are |
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The highest mountain peak of Oceania is |
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The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of |
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The largest gulf in the world is |
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The hunting and gathering economy can support only |
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The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by |
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