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This lesson covers the recycling of metals and life cycle assessments (LCA) as required by the Edexcel GCSE Chemistry specification (1CH0), Topic 4. You need to understand why recycling metals is important, compare the energy costs of recycling versus extraction from ore, and evaluate the environmental impact of products using life cycle assessments.
Metals are finite resources — there is a limited supply of metal ores in the Earth's crust. Once they are used up, they cannot be replaced. Recycling helps to conserve these resources for future generations.
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