1. From where do greenhouse gases come?
    a. They occur naturally in the environment.
    b. They result from human activities.
    c. Both a and b

  2. Before the Industrial Revolution, human activity released _____.
    a. more greenhouse gases than it does today
    b. approximately the same amount of greenhouse gas as it does today
    c. very few greenhouse gases

  3. Nitrous oxide is released into the atmosphere ______ .
    a. when solid waste is burned
    b. when mammals breathe
    c. when fossil fuels and trees are burned
    d. all of the above
    e. a and c

  4. ______ is/are emitted when organic wastes decompose.
    a. Hydrofluorocarbons (HFCs)
    b. Methane
    c. Perfluorocarbons (PFCs)

  5. Chlorofluorocarbons (CFCs) are a byproduct of _______.
    a. foam production
    b. refrigeration
    c. air conditioning
    d. all of the above

  6. Which of the following greenhouse gases absorbs the most heat?
    a. nitrous oxide
    b. hydrofluorocarbons
    c. methane

  7. What is an emissions inventory?
    a. The bill one receives after an emissions inspection.
    b. An accounting of the amount of air pollutants discharged into the atmosphere.
    c. A list of the greenhouse gases that a power plant is required by law to produce.

QuickQuiz Answers

  1. c
  2. c
  3. e
  4. b
  5. d
  6. a
  7. b