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5 Written questions

5 Matching questions

  1. cryosphere
  2. Thermohaline Circulation
  3. obliquity
  4. weather
  5. eccentricity
  1. a short term changes in surface conditions
  2. b the shape of earth's orbit
  3. c the frozen part of the earth's surface, including glaciers, polar ice caps, continental ice sheets, etc.
  4. d the conveyor belt of heat and salt transport in oceans
  5. e (tilt) earth's orientation relative to the solar plane fluctuations (between 21.5 and 24.5 degrees over 41,000 years)

5 Multiple choice questions

  1. When A increases, B decreases, causing A to decrease Ex. global warming increase, thermohaline circulation decrease, global warming decrease
  2. photosynthesis in surface waters which uses up C02 draws down more C02 from the atmosphere
  3. a substitute recorder of past climate Ex. width of growth rings may indicate what climate was like in the past
  4. the average surface condition over some period of time
  5. long carbon-chain molecules made by some plankton

5 True/False questions

  1. The 3 Milankovitch cyclesPrecession, obliquity, and eccentricity


  2. Southern Oscillationsolar radiation from the sun


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


  4. hydrosphereincludes all of the earth's water found in oceans, glaciers, lakes, ground water, and the air.


  5. feedbacka change in one component affects another component


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