Earth's atmosphere Flashcards
1
Q
What has intense volcanic activity produced lots of?
A
Carbon dioxide, water vapour and nitrogen
2
Q
What has intense volcanic activity produced small amounts of?
A
Ammonia, methane
3
Q
What was the early atmosphere predominantley composed of?
A
Carbon dioxide
4
Q
What did the condensation of water vapour mean for co2 levels?
A
Lots of carbon dioxide was able to dissolve in the sea and eventually become sediment on the seabed
5
Q
What is crude oil and natural gas formed from?
A
Dead plankton
6
Q
What is coal made from?
A
Sedimentary rock made from dead plant material
