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Evidence about ancient climates indicates that a. glacial ice once covered much of what is now India and Australia. b. the countries found in the Northern Hemisphere today were once centered over the South Pole. c. no continents occupied the Northern Hemisphere. d. the countries found in the Southern Hemisphere today were once centered over the North Pole.

Eric Morgan

in Geography

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1 answer

Kyle Mckinney on June 16, 2018

The answer is A. There is no geological evidence of the rocks there was an ice age 2.4 billion years ago and the glaciers that had been achieved in the West of Australia and India. This ice age is associated with the cooling of the earth due to the Great Oxygenation event, when the earth was full of oxygen produced by photosynthetic organisms therefore reducing the amount of greenhouse gases in the atmosphere. There have been other big four ice ages after that.

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