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Human influences on the environment



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Videos and experiments that are suitable for Biology. Gas Pollution, Greenhouse Effect, Greenhouse gases, Enhanced Greenhouse effect.

4.11 Gas Pollution
Understand the biological consequences of pollution of air by sulfur dioxide and by carbon monoxide
4.12 Greenhouse Effect
Recall that water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases



4.13 Greenhouse gases
Understand how human activities contribute to greenhouse gases
4.14 Enhanced Greenhouse effect
Understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences


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