pollution and human growth

starter mind map for students to finish

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  • Population and Pollution
    • human population growth
      • increase in food production and better medicines means more people survive
        • larger world population overall
    • humans & pollution
      • fertilisers contain the chemicals __________ & __________
        • these compounds are __________ that plants need to grow
    • causing pollution
      • sulfur dioxide gas released into atmosphere by burning __________ __________
      • _________ & phosphate run off from fertiliser can  get into lakes and rivers
        • leads to Eutroph- ication of rivers
          • massive algal growth causes....


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