Which of the following are erupted by volcanoes?

A) lava
B) ash
C) pumice
D) all of these

Pumice

Volcanic rock, especially of felsic or intermediate composition, containing many vesicles (holes) formed by expanding gases in magma.

Lava

Molten rock that has been expelled from a volcano during an eruption and solidifies as it cools on the Earth's surface.

Ash

Fine particles of rock, minerals, and volcanic glass created during volcanic eruptions and carried through the air.