Chemistry of The Atmosphere

Question 1

Describe Phase 1

Answer 1

Volcanoes released Carbon Dioxide, Nitrogen, Water Vapour, Methane and Ammonia

Question 2

Describe Phase 2

Answer 2

Water Vapour condensed into oceans
Carbon Dioxide dissolved in oceans
Plants and Algae absorbed carbon dioxide for
Some carbon dioxide became trapped in rocks

Question 3

Describe Phase 3

Answer 3

Plants and Algae used Carbon Dioxide for photosynthesis

Question 4

Describe Early Atmosphere

Answer 4

95% Carbon Dioxide
4% Water Vapour
1% Other Gases

Question 5

Describe Today’s Atmosphere

Answer 5

78% Nitrogen
21% Oxygen
1% Other Gases