Biology 9 Chapter 16

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Author:
gandalfthegrey
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121610
Filename:
Biology 9 Chapter 16
Updated:
2011-12-07 17:31:33
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Biology
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Solid and Hazardous Waste
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  1. What is e-waste?
    Electronic waste, such as televisions, computers, cell phones, and iPods.
  2. E-waste is the ________ category of waste.
    fastest growing
  3. What percent of e-waste is recycleable?
    80%.
  4. How can e-waste be dangerous?
    Electronics cotain toxic materials.
  5. Of all the e-waste, how much does the U.S. produce and recycle?
    The U.S. produces half of the e-waste, and only recycles 15% of it.
  6. What does " cradle-to-grave" mean?
    The company that created an electronic product will sponsor a recycling program for it.
  7. What is the only long-term solution for the growing problem of e-waste?
    Prevention, by desigining electronics to be easy to recycle, and to be free of toxic chemicals.
  8. Where does industrial solid waste come from?
    It comes from mining, agriculture, and industrial operations.
  9. Where does municipal sold waste (MSW) come from?
    From homes and businesses.
  10. What percent of hazardous/toxic waste do developed countries produce?
    80-90%
  11. At only 4.6% of the world population, the U.S produces about ____ of the solid waste in the world
    One third.
  12. What percent comes from industrial waste?
    98.5%.
  13. What percent comes from MSW?
    1.5%.
  14. What are three way of producing less waste?
    Refusing, reducing, and reusing.
  15. What is primary recycling also known as? What is it?
    Closed-loop recycling. Materials are recycled into new products of the same kind.
  16. What is secondary recycling?
    Waste materials are converted into different products.
  17. What is preconsumer, or internal, waste?
    Waste produced in the manufacturing process.
  18. What is postconsumer (external) recycling?
    Waste created by consumer use of products.
  19. How much of it's MSW does the U.S. recycle? How much could it recycle?
    The U.S. recycles on 25% of it's MSW, but can recycle up to 75% of it.
  20. What are most plastics made of?
    Petrochemicals.
  21. What are bioplastics made of?
    Plant materials.
  22. How can we encourage reuse and recycling?
    • By having market prices reflect true costs
    • Balancing economies that give more tax breaks and subsidies to resource-extracting industries than recycling industries
    • Stabilizing prices for recycled materials
    • Having a fee-perbag waste collection system
    • Having a better informed public
  23. What percent of surface impoundments that store hazardous wastes have no liners?
    70%
  24. What percent of surface impoundments may threaten groundwater?
    90%.
  25. What percent of hazardous waste is regulated?
    Only 5%.
  26. What does Superfund do?
    It cleans hazardous waste sites, but is now broke.
  27. What is the government doing with toxi areas know as brownfields?
    Turning them into parks and nature reserves.

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