early and modern atmosphere

Question 1

What percentage of Nitrogen is there in the earth’s atmosphere?

Answer 1

78% Nitrogen

Question 2

What percentage of Oxygen is there in the earth’s atmosphere?

Answer 2

21% Oxygen

Question 3

What percentage of Noble Gases is there in the earth’s atmosphere?

Answer 3

1% Noble Gases

Question 4

What percentage of Carbon Dioxide is there in the earth’s atmosphere?

Answer 4

0.03% Carbon Dioxide

Question 5

How did Nitrogen levels increase?

Answer 5

Ammonia was released from volcanic activity which then broke down into Nitrogen.

Question 6

How did Carbon Dioxide levels decrease and Oxygen levels increase?

Answer 6

Plants started to photosynthesis, They took in the Carbon Dioxide and released Oxygen making the Carbon Dioxide levels decrease and Oxygen levels increase.

Question 7

How did our oceans form?

Answer 7

Water vapour was released by volcanic activity, overtime the earth became cool and the water vapour condensed.

Question 8

Carbon Dioxide + Water —> Glucose + Oxygen

Answer 8

6CO2 + 6H2O —-> C2H12O6 + 6O2

Question 9

What did volcanoes produce?

Answer 9

Ammonia, Carbon Dioxide and Water vapour

Question 10

What gases were present in the Early atmosphere? From Most abundant to Least abundant.

Answer 10

Water Vapour, Carbon Dioxide, Nitrogen

Question 11

What gases were present in the Modern atmosphere? From Most abundant to Least abundant and write down the percentages.

Answer 11

Nitrogen 78%, Oxygen 21%, Noble gases 1% and Carbon Dioxide 0.03%