the enhanced greenhouse effect Flashcards
1
Q
the sun emits
A
radiation
2
Q
some of the radiation from the sun is absorbed by earth
A
this warms the earth which then emits infra-red radiation
3
Q
some gases in the atmosphere absorb it preventing
A
it from escaping back into space
4
Q
energy is being ____ by the atmosphere, heating it
A
held
5
Q
gases which cause the atmosphere to heat are
A
water vapour, carbon dioxide, methane and nitrous oxides and CFCs
6
Q
without the greenhouse effect earth would
A
be frozen
7
Q
any extra greenhouse effect caused by human activity is called
A
the enhanced greenhouse effect
8
Q
some of the radiation from the sun is … by the earths atmosphere
A
reflected
