Lecture 2 Flashcards
(5 cards)
1
Q
Homosphere vs heterosphere
A
The homosphere is the surface to 80-100km and has a mixing of gases, while the heterosphere is above it and has a distribution of gases
2
Q
Main greenhouse gases
A
CO2, CH4 and water vapour
3
Q
Greenhouse State
A
No continental glaciers exist anywhere on the planet
4
Q
Icehouse State
A
Permanent ice-sheets and glaciers at the poles
5
Q
Snowball Earth
A
Completely frozen over Earth
