The gas that causes the greenhouse effect: A. Oxygen B. Ammonia C. Methane D. Hydrogen Sulphide
Option (c) is correct Natural gas is primarily composed of methane. It absorbs the earth's outgoing heat radiation and thus contributes to the greenhouse effect, making it a green house gas. Methane lasts for about ten years in the atmosphere. In comparison to carbon dioxide, it is twenty times more effective at trapping heat.
