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Exit What happened approximately 20,000 years ago? A. the last ice age B. the last glacial maximum C. the last interglacial period D. a change in Earth's axial tilt
What happened approximately 20,000 years ago B. the last glacial maximum
Expert answered|selymi|Points 11631|
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Asked 10/22/2013 7:04:42 AM
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Has Earth ever been covered completely by snow and ice? A. probably, when Earth first formed B. probably, during the Precambrian C. probably, during the last glacial maximum D. not likely, since there is no evidence for that
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Updated 107 days ago|2/7/2015 9:21:42 AM
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Earth ever been covered completely by snow and ice probably, during the last glacial maximum.
Added 107 days ago|2/7/2015 9:21:42 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [2/7/2015 9:26:53 AM]
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