What processes can lead to the formation of volcanic islands in ocean

The earths outer crust is made up of a series of tectonic plates that move over the surface of the planet, in areas where the plates come together volcanoes will form. Volcanoes can also form in the middle of a plate where magma rises upward until it erupts in the sea floor and is called a hot spot

Heavy and light should be banded together (/

I'm pretty sure illustrators are often represented among the staff of an advertising agency