C9- Chemistry Of The Atmosphere

Question 1

What does volcanic activity release?

Answer 1

Nitrogen, water vapour and small amounts of methane and ammonia

Question 2

How did lots of carbon dioxide get removed from the early atmosphere?

Answer 2

It dissolved in the oceans that formed sediments and seabed
Green plants and algae evolved and absorbed

Question 3

What is the percentage of nitrogen, oxygen and carbon dioxide?

Answer 3

80% nitrogen
20% oxygen
1% carbon dioxide