Why doesnt the earth overheat

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Reference no: EM13927306

Question 1. Every day, tremendous amounts of the sun's energy strikes the earth. Why doesn't the earth overheat?

  • Much of the heat melts rocks, forming lava deep inside the earth.
  • Most of the energy is used in photosynthesis, to help plants grow and survive.
  • The energy mostly is absorbed in various weather systems.
  • The energy is ultimately radiated back to space.
  • None of the above

Question 2. The jet streams in the United States generally flow from west to east because of

  • ocean currents off the Pacific and Atlantic coastlines.
  • convection currents between the troposphere and stratosphere.
  • rotation of the earth.
  • high pressure systems generated by the sun striking the North American continent.
  • the moons gravitational pull.

Question 3. Which of the following activities have contributed the greatest amount of carbon dioxide into the atmosphere over the past 100 years?

  • Increased farming and production of grains
  • Increased reliance upon coal, oil, and natural gas
  • Deforestation of rain forests and other parts of the world
  • Volcanic eruptions
  • Widespread forest fires

Question 4. Which of the following illustrates a risk assessment of climate system change?

  • Using natural gas instead of coal to generate electricity
  • Using solar and nuclear power to generate electricity instead of burning coal
  • Measuring the levels of carbon dioxide in the atmosphere
  • Determining what sorts of crops will be better suited to the new climate
  • Determining the best location for a new coal power plant

Question 5. When an automobile heats up in bright sunlight with windows rolled up, the glass in the car functions most like

  • rain in the atmosphere
  • clouds in the atmosphere
  • sulfate aerosol in the atmosphere
  • carbon dioxide in the atmosphere
  • soil in the lithosphere

Question 6. Rising GHGs in the 21st century most confidently predict

  • increases in global temperatures and sea levels
  • decreases in polar temperatures but increases in sea levels
  • decreases in sea levels but increases in polar temperatures
  • increases in ocean pH and increases in sea levels
  • None of the above

Question 7. Rising GHGs in the 21st century most confidently predict

  • increases in global temperatures and sea levels
  • decreases in polar temperatures but increases in sea levels
  • decreases in sea levels but increases in polar temperatures
  • increases in ocean pH and increases in sea levels
  • None of the above

Question 8. Which of the following U.S. national parks would be mostly eliminated by a 1 m rise in sea level?

  • Glacier National Park
  • Yellowstone National Park
  • Everglades National Park
  • Yosemite National Park
  • None of the above

Question 9. Climatologists warn of a tipping point when global temperatures trigger catastrophic events and sea levels rise of close to 2 meters. About how much warmer does the world need to get for this tipping point to happen?

  • Increased precipitation over the continents
  • Melting of the Greenland Ice Sheet
  • Thermal expansion of the oceans
  • Melting of the polar ice cap
  • Increased precipitation over the oceans

Question 10. The most effective way to reduce GHG emissions is to increase

  • the production of electric cars
  • energy efficiency and renewable energy
  • our reliance on widely available natural gas resources.
  • the use of coal gasification plants and scrubber technologies to reduce sulfur emissions
  • expanded oil drilling in ANWR

Reference no: EM13927306

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