Atmosphere Flashcards
1
Q
What is the atmosphere?
A
A mixture of gases that surrounds the earth
2
Q
What does the atmosphere contain?
A
Dry air + water vapour
3
Q
What is dry air?
A
A mixture of gases:
- nitrogen
- oxygen
- other gases (CO2, methane)
4
Q
What gases are in the atmosphere?
A
Nitrogen (78.9%) Oxygen (20.95%) Argon (0.9%) CO2 Hydrogen Methane (0.4%)
