Atmosphere 0.0 / 5 ? ChemistryAtmosphereGCSEAll boards Created by: chloe :) :)Created on: 08-04-16 09:47 what gives out gases in the early atmphere? volcanoes 1 of 5 how did green plants change the atmosphere increase levels of oxygen 2 of 5 ozene layer allows evolution of complex animals 3 of 5 human activity deforestation 4 of 5 volcanic activity produces more carbon dioxide, sulfur dioxide 5 of 5
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