The Atmosphere

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How long has the earth been around?
4.6 Billion years
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Which gasses did the volcanoes give out?
Carbon Dioxide, Methane, Water vapour and Nitrogen
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How much Oxygen was around that time?
Virtually No Oxygen
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How were the oceans formed?
By the water vapour condensing.
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What gas was removed from the early atmosphere?
Carbon Dioxide
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What are Carbonate Precipitates?
Carbon Dioxide Products
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What evolved first Algae or Green Plants?
Algae
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Gives examples of Fossil Fuels?
Coal, Crude Oil & Natural Gas
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How was sedimentary rocks formed?
Compressed Marine Animals.
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Other cards in this set

Card 2

Front

Which gasses did the volcanoes give out?

Back

Carbon Dioxide, Methane, Water vapour and Nitrogen

Card 3

Front

How much Oxygen was around that time?

Back

Preview of the front of card 3

Card 4

Front

How were the oceans formed?

Back

Preview of the front of card 4

Card 5

Front

What gas was removed from the early atmosphere?

Back

Preview of the front of card 5
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