6. Atmosphere

Question 1

Albedo

Answer 1

A measure of the reflecting power of a surface in relation to the amount of short-wave radiation received.

Question 2

Halogenated organic gases

Answer 2

Usually known as halocarbons, these were first identified as depleting the ozone layer in the stratosphere. They are now known to be potent green greenhouse gases. Eg CFCs

Question 3

Smog

Answer 3

Term used for any haziness in the atmosphere caused by air pollutants. Photochemical smog is produced through the effect of UV light on the products of combustion. May contain ozone and is damaging to human respiratory system and eyes.