Alaska

A quick test for the Geography AS Case Study: Alaska. Rising temperatures are causing environmental, economic and social impacts across the the Arctic region and specifically in Alaska. 

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1. The ice-albedo feedback loop means that instead of 95% of the suns rays being reflected into space, what percentage is being absorbed by the migrating tree line?

  • 75%
  • 85%
  • 105%
  • 95%
  • 65%
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2. The arctic is expected to sea how much of a temperature rise in the coming decade?

  • +3.5ºC
  • -3.5ºC
  • +5.5ºC
  • -1.5ºC
  • +1.5ºC

3. Melting permafrost is causing how much in economic damages in Alaska alone?

  • $54 million
  • $34 million
  • $24 million
  • $44 million
  • $14 million

4. What greenhouse gas is released when permafrost melts?

  • Nitrous Oxides
  • Methane
  • Carbon Dioxide
  • Ozone
  • Water Vapour

5. Which of these rivers flows through Alaska (easy question)?

  • Ganges
  • Yukon
  • Nile
  • Amazon
  • Brahmaputra
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