Air Quality 0.0 / 5 ? ChemistryAir QualityOtherNone Created by: ~divine~Created on: 19-04-14 21:00 Percentage of nitrogen in our atmosphere? 78 1 of 11 Percentage of oxygen in our atmosphere? 21 2 of 11 The tiny amount of which chemical has kept the Earth warm enough to support life? Carbon Dioxide (CO2) 3 of 11 What is the main reason there isn't that much Carbon Dioxide in the air? There isn't enough actual carbon for it to be made 4 of 11 What was the Earth like around 4.5 billion years ago? Violent and volcanic 5 of 11 What was constantly bombing the Earth around 4.5 billion years ago? Meteors 6 of 11 The atmosphere mainly consisted of what 4.5 billion years ago? Carbon dioxide and water vapour 7 of 11 Why was it like this? Because the volcanoes were constantly releasing them 8 of 11 What happened to temperatures later? They began to cool 9 of 11 What does the Greenhouse gas effect do to our atmosphere? Increases it's temperature 10 of 11 What are particulates? Particles in the air 11 of 11
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