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Which factor activates a convection current, starting the flow of a fluid?

cold temperatures at the north pole


iron-rich rocks in the mantle


heated liquids at Earth’s surface


temperature differences in the mantle

User MrAutoIt
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2 Answers

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this site is cool and the awnser is the last one,d

User Ven Shine
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Answer: temperature differences in the mantle

Explanation: I took a quiz and got it right

User Michael Dougan
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