Reuse and Recycling

• What is sustainable development?

  Meeting the needs of present and future generations
• Why is mining for materials considered bad for the environment?

  It causes environmental degradation and resource depletion
• What is a benefit of reusing products instead of throwing them away?

  It reduces waste and conserves resources
• How does recycling help with natural resources?

  It reduces the amount of finite resources used
• What type of resource is copper classified as?

  Finite resource
• How can sustainability be improved in copper extraction?

  By extracting from low-grade ores
• What is a method used to extract pure copper?

  Electrolysis
• What happens to harvested plants that contain copper compounds?

  They are burned, producing ash with copper
• What is the process for recycling glass?

  Separated, crushed, melted, and reshaped
• Can glass bottles be reused instead of recycled?

  Yes, they can be reused
• What is a benefit of recycling metals?

  It saves large amounts of energy
• What happens to metals during the recycling process?

  They are melted down and recast into new products
• What does the amount of operation required for recyclable metals depend on?

  It depends on the metal and final product
• How can waste and iron be processed together in a blast furnace?

  To reduce the amount of iron ore required