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9G Cleaning up (Global warming (impacts (sea level increases, More…
9G Cleaning up
Global warming
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causes
natural
earths orbit
earths orbit changes sometimes - it changes from being eliptical to circular. This means that sometimes the earth is close to the sun
volcanic activity
during large eruptions many dust particles are released into the air these reflect heat radiation resulting in global cooling
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Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances .
Acid Rain
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• carbon dioxide, produced by combustion of fuels and respiration
• sulphur dioxide, formed when sulphur burns in volcanoes
• nitrogen oxides, produced when lightning makes oxygen and nitrogen in the air combine.
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