Biology Forums - Study Force

Which of the following is the most often recycled plastic?
  a. PET
  b. HDPE
  c. PVC
  d. LDPE
  e. Styrofoam

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Q. 2 -

Which waste group poses the greatest threat to groundwater resources?
  a. Group 1
  b. Group 2
  c. Group 3
  d. Group 4
  e. Group 5

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Q. 3 -

Which waste group includes household garbage?
  a. Group 1
  b. Group 2
  c. Group 3
  d. Group 4
  e. Group 5

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Q. 4 -

Why is the dump-and-cover approach used in sanitary landfills called the cell method?
  a. because, if it is misused, you will be thrown in jail
  b. because it handles chemical reactions in the fill at the cellular level
  c. because it isolates waste in cell-like compartments
  d. because the pattern of dumping is circular
  e. because of the way the waste is attenuated

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Q. 5 -

What is contaminated water that drains out of a solid waste disposal site called?
  a. hazardous waste
  b. leachate
  c. sewage effluent
  d. artesian water
  e. hydroponic fluid

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Q. 6 -

What is the disposal approach used in sanitary landfills?
  a. dilution
  b. thin spreading
  c. incineration
  d. isolation
  e. attenuation

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Q. 7 -

Although California leads the nation in wind power, it is likely to be surpassed by another area of the
  U.S. Which area is likely to take the lead in wind power generation? What will be an ideal response?

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Q. 8 - Why were orders for new nuclear plants cancelled in the U.S. approximately 20 years ago? What will be an ideal response?

(Answer to question 1 )  B

(Answer to question 2 )  A

(Answer to question 3 )  B

(Answer to question 4 )  C

(Answer to question 5 )  B

(Answer to question 6 )  D

(Answer to question 7 )  

Twelve states in the central U.S. could potentially provide 90 of the electricity that is needed in the
U.S. It is probable that these states will collectively eclipse California in the future as the nation's
leading wind power source.

(Answer to question 8 )  

Nuclear accidents at Three-Mile Island in the U.S. and Chernobyl in the former Soviet Union raised
fears among Americans about the safety of nuclear plants

Makes tons more sense now!

:)