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8 Cards in this Set

  • Front
  • Back

What was phase one of the evolution of the atmosphere

Volcanoes gave out gases

What gases were released by volcanoes

Carbon dioxide


Nitrogen


Barely any oxygen


Water vapour


Methane


Ammonia

What was phase 2 of the evolution of the atmosphere

Oceans algae and green plants absorbed carbon dioxide

What was phase 3 of the evolution of the atmosphere

Green plants and algae produced oxygen

What’s the equation for photosynthesis

Carbon dioxide + water —> glucose + oxygen

What percentage is each gas of our atmosphere

80% nitrogen


20% oxygen


Small amounts of other gases- mainly carbon dioxide, noble gases and water vapour

What does the combustion of fossil fuels release

Gases and particles

What dangerous gas can be released from incomplete combustion

Carbon monoxide