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C14 Using resources - Coggle Diagram
C14 Using resources
Potable water
Required practical activity 13: analysis and purification of water samples from different sources,
including pH, dissolved solids and distillation
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how is potable produced and give reasons for each of the steps (include the names of possible sterilising agents)
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Life cycle assessment
describe the four stages of LCA to assess the
environmental impact of products? 
carry out simple comparative LCAs for
shopping bags made from plastic or paper, stating the differences for each stage
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