Formation of Volcanoes

Q. What do you think is the difference between lava and magma?

1. Magma is nothing but lava mixed with chemicals from the atmosphere.
2. Magma is lava that reaches the surface of the Earth.
3. Lava and magma are synonyms.
4. Lava is magma that reaches the surface of the Earth.

Q. Volcanoes are usually created when two lithospheric come together.

1. crusts
2. plates
3. cores

Q. Volcanoes are usually created when two lithospheric come together.

1. crusts
2. plates
3. cores