FHSST Biology/Contents/Index/ES/Human Influence

Chapter 2: Human Influence
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 * 1) [[FHSST_Biology/Contents/Index/ES/Human Influence/Air|Air
 * 1) Ozone, global warming and the greenhouse effect
 * 2) Acid rain
 * 3) Land
 * 4) Water
 * 5) Industrialisation
 * 6) Effect of pollutants on humans