How is this chain of volcanic islands forming? Tectonic plates are sliding past each other, generating magma, which creates a volcano. Two tectonic plates are pulling apart, creating magma through decompression melting. A tectonic plate is moving over a mantle plume, which burns through the plate to create a chain of volcanoes. A tectonic plate is being subducted and partially melted, producing magma that rises to create a volcanic chain.

A tectonic plate is moving over a mantle plume, which burns through the plate to create a chain of volcanoes.

Explanation:

For a chain of volcanic islands to form, it is necessary for the tectonic plates to move on top of a mantle plume, thus creating a "cord" of islands, forming the chain of volcanic islands.

A plume mantle is also called a hot spot and is formed by a geological thermal aanomalia, which pulls the magma from the deepest layers to the surface.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.