Label A: cool fluid sinks
Label B: warm fluid rises
Label C: convention current
What is convention current?
The Earth's outside layer is separated into pieces called plates. The outside moves in light of developments somewhere inside the earth. Heat rising and falling inside the mantle makes convection flows created by radioactive rot in the center. The convection flows move the plates.
Thus, the label A represents cool fluid is sinking.
The label B represents hot fluid is sinking.
The label C represents convention current.
Learn more about convention current.
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