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5 Written questions

5 Matching questions

  1. greenhouse effect
  2. ice cores
  3. biogeography
  4. obliquity
  5. weather
  1. a where plants and animals do and don't live now and in the past
  2. b radiation reflected from the surface is absorbed by some gases and re-radiated as heat, some of which stays in the atmosphere and warms the surface
  3. c short term changes in surface conditions
  4. d (tilt) earth's orientation relative to the solar plane fluctuations (between 21.5 and 24.5 degrees over 41,000 years)
  5. e ice that is drilled out of glaciers. Gas bubbles in them give a direct measurement of what the climate was like in the past

5 Multiple choice questions

  1. ... affect global weather patterns and are caused by changes in wind strength in the equatorial Pacific Ocean
  2. Precession, obliquity, and eccentricity
  3. orbital parameters affecting how much energy earth receives from the sun
  4. the shape of earth's orbit
  5. When A increases, B decreases, causing A to decrease Ex. global warming increase, thermohaline circulation decrease, global warming decrease

5 True/False questions

  1. biological pumpwhere plants and animals do and don't live now and in the past


  2. alkenonesreflectivity of earth's surface (mostly reflected by clouds)


  3. albedothe farthest orbital point from the sun (152 million km)


  4. precessionthe wobble of the earth on its axis (11,000 year period to move between extremes)


  5. hydrospherethe frozen part of the earth's surface, including glaciers, polar ice caps, continental ice sheets, etc.


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