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Physical Science with Earth and Science
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Earth's Internal Heat and Convection
Worksheet
Grade Level
Physical Science with Earth and Science
9.68 Earth's Internal Heat and Convection
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🔴 Hard
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Which conclusion is best if a model shows mantle upwelling but no cooling or sinking region?
A
The model is incomplete because convection requires a return flow as material cools and sinks
B
The model proves density cannot change
C
The model is complete because all mantle material only rises
D
The model proves gravity is not involved
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