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5 Written questions

5 Matching questions

  1. biological pump
  2. Thermohaline Circulation
  3. El Nino events
  4. precession
  5. feedback
  1. a the wobble of the earth on its axis (11,000 year period to move between extremes)
  2. b photosynthesis in surface waters which uses up C02 draws down more C02 from the atmosphere
  3. c a change in one component affects another component
  4. d ... affect global weather patterns and are caused by changes in wind strength in the equatorial Pacific Ocean
  5. e the conveyor belt of heat and salt transport in oceans

5 Multiple choice questions

  1. short term changes in surface conditions
  2. where plants and animals do and don't live now and in the past
  3. located near the equator-where water is warmer in the west Pacific than the east Pacific
  4. When A increases, B increases, which causes A to increase even more.Ex. temp increase, ice melts, albedo decrease, temp increase
  5. the closest orbital point to the sun (147 million km)

5 True/False questions

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


  2. aphelionthe farthest orbital point from the sun (152 million km)


  3. obliquity(tilt) earth's orientation relative to the solar plane fluctuations (between 21.5 and 24.5 degrees over 41,000 years)


  4. eccentricitythe shape of earth's orbit


  5. negative feedbackWhen A increases, B decreases, causing A to decrease Ex. global warming increase, thermohaline circulation decrease, global warming decrease


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