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Chemistry
Montana
29 January, 14:06
How Africa's bedrock can have glacier scratches
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Sarahi Pratt
29 January, 14:44
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Means that the African continent was once in the higher latitudes, and in contact with Antarctica, where glaciers form due to the low temperatures in the poles. The continent drifted over time due to tectonic plate movement. Continental drift is powered by the convection current in the mantle of the earth.
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