1. The advances and retreats of the Pleistocene ice sheets (past 2 million years) were caused by A changes in the configuration of continents and oceans B the burning of fossil fuels C changes in the frequency of sunspots D changes in the Earth's orbit around the sun

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
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1. The advances and retreats of the Pleistocene ice sheets (past 2 million years) were
caused by
A changes in the configuration of continents and oceans
B the burning of fossil fuels
C changes in the frequency of sunspots
D changes in the Earth's orbit around the sun
Transcribed Image Text:1. The advances and retreats of the Pleistocene ice sheets (past 2 million years) were caused by A changes in the configuration of continents and oceans B the burning of fossil fuels C changes in the frequency of sunspots D changes in the Earth's orbit around the sun
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