What name was given to noxious vapour, rising from organic matter, which pollutes the atmosphere? ?

The noxious vapor that rises from organic matter is known as methane. Methane is one of the greatest contributors to the greenhouse effect, and one of the greatest sources of methane on the planet is from cattle farms. Cattle produce tons of methane per year, and there are massive cattle farms across the globe to keep up with the demand of milk and red meat.

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.