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Keith_Richards [23]
3 years ago
9

Please help

Biology
1 answer:
Sav [38]3 years ago
4 0

Answer:

i would have to say B

Explanation

Convection is the circular motion that happens when warmer air or liquid — which has faster moving molecules, making it less dense — rises, while the cooler air or liquid drops down. Convection currents within the earth move layers of magma, and convection in the ocean creates currents

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