Question

greenhouse gas
major greenhouses gases
greenhouse gases have what is known as a greenhouse warming potential. a greenhouse
warming potential measures the ability of a molecule to contribute to global warming over a
period of time.
one greenhouse gas is water vapor. water vapor has a greenhouse warming potential of less
than one and lasts up to nine days in the atmosphere.
nitrous oxide is another greenhouse gas with a greenhouse warming potential of 300, and it
can last 114 years in the atmosphere.
carbon dioxide is the standard gas used for comparison of greenhouse warming potential. it
has a greenhouse warming potential of one and can last 300 - 1,000 years in the atmosphere.
cfcs, or chlorofluorocarbons, possess the greatest greenhouse warming potential of 1,600 -
13,000 times that of carbon dioxide.
the natural balance in the atmosphere is carbon dioxide, water vapor, and nitrogen, but some
greenhouse gases lie outside that natural balance like cfcs and methane. methane has a
greenhouse warming potential of 21 and can last in the atmosphere for 12 years.
which of the following gases has a greenhouse warming
potential of less than one and lasts nine days in the
atmosphere?
nitrous oxide
carbon dioxide
water vapor

Explanation:

The text clearly states that water vapor has a greenhouse warming potential of less than one and lasts up to nine days in the atmosphere. Nitrous oxide has a potential of 300 and lasts 114 years. Carbon dioxide has a potential of one and lasts 300 - 1000 years.

Answer:

water vapor