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College Environmental Science Questions

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College Environmental Science
Carbon dioxide is
  1. the most potent (per molecule of gas) of the greenhouse gases.
  2. the most abundant greenhouse gas.
  3. more potent (per molecule of gas) than methane.
  4. the main anthropogenic greenhouse gas produced in the United States.
  5. the only greenhouse gas presently increasing in the atmosphere.
College Environmental Science
Earth's climate
  1. has been stable over the history of the planet
  2. is changing as a result of natural and human processes
  3. will stabilize over the next century, according to the predictions of most scientists
  4. has changed only once due to the evolution of green photosynthesizing plants
  5. history is undeterminable because there is no method of studying climatic history of the planet
College Environmental Science
Which of the following is a non-point pollution source?
  1. Acid mine drainage
  2. A pipe coming out of a factory
  3. Raw sewage being discharged from a cruise ship
  4. Run-off from agricultural fields
  5. A sewage treatment plant
College Environmental Science
College Environmental Science
Why would the Earth be looked upon as a system?
  1. Due to the earth being complex
  2. Due to earth's density being different throughout
  3. As one aspect changes, another aspect responds to that change
  4. Due to earth being a huge planet
  5. None of the above
College Environmental Science
Energy conservation in the United States
  1. can be accomplished only through changed in environmental laws
  2. is unlikely to ever occur
  3. can be accomplished by changed in tax laws
  4. will be reality only if there is another major war
  5. can be improved as individuals make conscious choices to reduce personal consumption
College Environmental Science
The primary causes of acid deposition are                                 .
  1. tropospheric ozone
  2. sulfur and nitrogen oxides
  3. soil dust and sand
  4. radon gas and fuel wood smoke
  5. carbon monoxide and formaldehyde
College Environmental Science
Photochemical smog differs from industrial smog in that it                                           .
  1. is formed only in the presence of sunlight
  2. has large quantities of soot
  3. is primarily compose of carbon monoxide
  4. consists of primary pollutants
  5. is an unhealthy mixture of pollutants
College Environmental Science
College Environmental Science
College Environmental Science
College Environmental Science
The US Senate has so far opposed emissions reductions on the grounds that
  1. no other nations have pledged reductions
  2. the US does not emit significant amounts of greenhouse gases
  3. President Obama rejected the scientific basis of global climate change
  4. it might hurt the economy
  5. the US already reduced its emissions by 68% as agreed in the Copenhagen treaty
College Environmental Science
College Environmental Science
Which of the following best describes soils in many tropical rainforests?
  1. They lack soil horizons
  2. They are quickly depleted of nutrients when the forest is removed
  3. They are similar to soils in grasslands
  4. They are well suited for growing a wide variety of crops
  5. They are deep and well drained
College Environmental Science
The Montreal Protocol
  1. addressed transnational movement of acid-forming pollutants
  2. developed the framework for reduction of carbon dioxide in the US and Canada
  3. developed the international treaty for eliminating radon emissions from nuclear power plants
  4. resulted in a significant reduction in the production of CFCs by signatory nations
  5. is an example of a failed attempt to reduce international air pollution
College Environmental Science
Nuclear energy is power plants is created via                                                          .
  1. fusion of electrons
  2. ionic transformation of atoms
  3. extraction of energy from the nucleus of cells
  4. bombarding radiocative elements with electrons
  5. fissioning uranium atoms by bombarding them with neutrons
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