The latitudes where the sun strikes the earth directly at the time of the June and December solstices.
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Answer:
yes it is due to its economics and problems!
Explanation:
In the earth’s mantle , large amounts of heat are transferred by convection currents, which would cause the heat from the core and the mantle itself causes convection currents in the mantle . The hot rocks eventually will cool and sink back through the mantle which will make the cycle repeat which would be the cycle of rising and sinking .