U2 - T4 Flashcards
1
Q
Photolysis
A
The splitting action of solar radiation on chemical bonds
2
Q
Cataracts
A
Opaque areas within the lens of the eye, i.e. Areas which let some light through but insufficient to form a clear picture
3
Q
Halogen
A
Chlorine, bromine or fluorine gas
4
Q
Greenfreeze
A
A relatively new technology that uses the hydrocarbons propane and isobutane as refrigerants
5
Q
Ultraviolet light
A
High energy electromagnetic radiation including the short wavelength radiation emitted by the sun. It’s energy can cause chemical reactions to take place, such as in the ozone layer or sunburn and DNA damage
6
Q
Montreal Protocol
A
International agreement that has controlled the release of ozone-depleting substances
