Question

Why volcanoes are formed in converging two oceanic plated and in converging oceanic-continental plate? Need answer ASAP!!

Answer 1

Through convergience the soil or the dirt may rise up and it will forms a mountain or volcanoe.

Answer 2

Two oceanic plates may collide. ... As the subducting plate is pushed deeper into the mantle, it melts. The magma this creates rises and erupts. This forms a line of volcanoes, known as an island arc.