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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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y52qiu y52qiu
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6 years ago
Which of the following issues exists from communities using solid waste landfills to dispose of trash from private residences?
 
  a. Landfills are too wasteful, as solid waste can be burned to produce energy.
  b. Methane gas may move through the soil to cause fire or explosions nearby.
  c. There is an ongoing need to purchase more land as landfills eventually fill up.
  d. People do not use landfills but dump their garbage anywhere they will not be seen.
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#1
6 years ago
ANS: B
Solid waste landfills accumulate methane gas, a by-product of decomposing organic wastes. Without proper venting, this volatile gas can move through soil and cause fires and explosions in nearby areas. Waste incineration is not the best solution because it causes particulate air pollution. Illegal dumping of garbage and purchasing additional land for more landfills are concerns related to the disposal of trash from private residents, but methane gas explosions is of primary concern.
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