Topic #9: Chemistry of the atmosphere Flashcards
1
Q
Explain the rough make-up of the atmosphere
A
79% Nitrogen
20% Oxygen
0.04% Carbon Dioxide
Other gases and Argon
2
Q
What dominated the early atmosphere?
A
Carbon Dioxide
3
Q
How did Nitrogen and Oxygen appear in the air?
A
Nitrogen - Volcanoes
Oxygen - Plants photosynthesized
4
Q
How do greenhouse gases cause global warming?
A
They absorb heat from the Earth
