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16.1 Brought back from the brink in the 1970s, pollution threatens Lake Erie once again saescanadian_ch16_1.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_1_dlap.xml528baa18757a2e8575000003
16.2 When pollutants infiltrate water bodies, things go awry. saescanadian_ch16_2.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_2_dlap.xml528baa18757a2e8575000003
16.3 Nutrient enrichment can lead to oxygen depletion. saescanadian_ch16_3.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_3_dlap.xml528baa18757a2e8575000003
16.4 The source of pollution can be hard to pinpoint. saescanadian_ch16_4.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_4_dlap.xml528baa18757a2e8575000003
16.5 Identifying the types and sources of the pollution is the first step to cleaning up our water. saescanadian_ch16_5.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_5_dlap.xml528baa18757a2e8575000003
16.6 You can’t prevent it if you can’t see it coming. saescanadian_ch16_6.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_6_dlap.xml528baa18757a2e8575000003
16.7 Reducing pollution means reducing it at the source and preventing it from reaching the water. saescanadian_ch16_7.html528baa18757a2e8575000003
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16.8 Understanding The Issue saescanadian_ch16_8.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_8_dlap.xml528baa18757a2e8575000003
16.9 Analyzing The Science saescanadian_ch16_9.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_9_dlap.xml528baa18757a2e8575000003
16.10 Evaluating New Information saescanadian_ch16_10.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_10_dlap.xml528baa18757a2e8575000003
16.11 Making Connections saescanadian_ch16_11.html528baa18757a2e8575000003
DLAP questionssaescanadian_ch16_11_dlap.xml528baa18757a2e8575000003