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What causes global convection currents to form? O A. Unequal heating of Earth's surface B. Differences in elevation on Earth C. Earth's local winds D. Earth's spin
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29 votes
What causes global convection currents to form?

O A. Unequal heating of Earth's surface
B. Differences in elevation on Earth
C. Earth's local winds
D. Earth's spin

User Asare
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1 Answer

4 votes
4 votes
The answer would be A unequal heating of the earths surface. Lighter dense warm material rises as heavier dense cool material sinks causing differential heating.
User Diego Oriani
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