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The Earth Mother
Matters of life and death and the two dog problem
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acid rain albedo amount atmosphere atoms bacteria bacterium biological body calcium called carbon dioxide cause cells cent chemical chemistry chlorine chlorofluorocarbons chlorophyll climate cloud coccolithophorids compounds concentration contains cooling cycle daisies daisyworld described dimethyl sulphide dog problem Earth Mother energy environment environmental evaporation evaporite example fresh water Gaia Gaian gases global greenhouse effect grow happens harmful heat humans hydrogen sulphide ice age idea increase individuals iodine Jim Lovelock kind land less liquid living Earth living organisms living things mainly Mars means membrane methane million molecules nitrogen nutrients oceans oxides oxidised oxygen particles phosphorus photosynthesis planet plants and animals pollution predictions pressure problems produce prokaryotes radioactive reactions reefs regulation released removed salinity salt scientists sea water sediment sedimentary rocks soil solar system species star story substances sulphate sulphur surface survive temperature theory Venus volcanoes warming