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  • 19-02-2016
  • Geography
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why does cool rock material sink when convection takes place in the mantle

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sandhyakrish08
sandhyakrish08 sandhyakrish08
  • 20-02-2016
Because cool materials are denser than hot materials; think like warm fronts and cool fronts when warm air rises. It does not contain as much energy as warm materials and therefore cannot be lifted as high, much like a hot air balloon.
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