Atmosphere Flashcards
1
Q
What gases are in the atmosphere now?
A
Nitrogen, oxygen, CO2 but very small percentage
2
Q
Why is the levels of carbon dioxide going up?
A
We are burning too many fossil fuels that give off CO2
3
Q
Why did CO2, methane and ammonia levels go down?
A
Trapped in fossil fuels
Methane and Ammonia reacted with the oxygen in the air
4
Q
What were the gases when the earth was young?
A
Carbon dioxide, ammonia, water vapour, methane
