greenhouse gases Flashcards
1
Q
what is the function of greenhouse gases?
A
maintaining temperatures warm enough to support life on earth
2
Q
what are the 3 greenhouse gases?
A
water vapour, methane and carbon dioxide
3
Q
what is the first stage stage of greenhouse gas effect?
A
electromagnetic radiation passes from sun through earth’s atmosphere
4
Q
what is the second stage of greenhouse gas effect?
A
earth absorbs some of the radiation and warms up, but some heat is radiated from earth as infrared radiation
5
Q
what is the third stage of green house gas effect?
A
some of the infrared radiation is absorbed by greenhouse gases
6
Q
what is the effect on the earth of greenhouse gas effect?
A
atmosphere warms up leading to greenhouse effect and global warming
