Question

What are hotspots.?.(in chapter Sources of energy)

Answer 1

hey mate : )

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A volcanic "hotspot" is an area in the mantle from which heat rises as a thermal plume from deep in the Earth. High heat and lower pressure at the base of the lithosphere (tectonic plate) facilitates melting of the rock. This melt, called magma, rises through cracks and erupts to form volcanoes.

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hope it helps ^O^

Answer 2

due to geological change molten rocks formed in the Deepa hot reasons of the earth's crust are pushed upward and tribe in certain reason that is called hotspot