Question

ENVIRON 1 What types of solid waste do we produce and why do we say waste is a "human invention"? 1 True or False if we handled waste in a circular economic system rather than a linear one, we would produce less waste overall 2. Why do we say there is no waste" in nature? a. Nature does not produce toxic or unwanted material b. Nature can destroy unneeded or dangerous matter c. The waste of one organism can be used by another d. Al matter in nature is biodegradable. 3. Distinguish between degradable, biodegradable, and nondegradable waste. How well de plastics degrade? 2 What is municipal solid waste (MSW) and what are the types and proportion of waste in the U.S. MSW stream? 4. True or False: Municipal solid waste is the waste produced in a community from homes, businesses, farms, and industry. 5. Which of the following makes up the single biggest category of waste in the municipal solid waste stream? a. Plastic b. Paper C. Food d. Glass 6. How has the total and per capita production of MSW changed in the United States since the 1960's? 3 What is the EPA's preferred hierarchy of preferred MSW disposal methods and how well does the United States meet this recommendation? 7. True or False: The most preferred method of MSW disposal is burial in sanitary landfills. Why are some waste incinerators a better MSW disposal method than others? Compare the design, advantages, and disadvantages of open dumps and sanitary landfills. True or False: Garbage decomposes more quickly in a sanitary landfill than it would in an open dump. Which of the following is a disadvantage of sanitary landfils? a. The extremely slow decomposition of the trash b. Covering the top of trash with dirt that keeps away animals that might help eat it c Thick plastic liners at the bottom that prevent the flow of water down to ground-water supplies d. All of the above What is leachate and why is it a concern? Why is methane production by sanitary landfills a problem and how can it be turned into an advantage? 24.E 25.