Which law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant? boyle’s law dalton’s law charles’s law avogadro’s law

The correct option is AVOGADRO'S LAW.
Avogadro's law states that equal volume of all gases at the same temperature and pressure contain the same number of molecules. The law submits that, if equal amount of different gases are subjected to the same amount of pressure and pressure, then the number of moles in the gases will be the same.

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.