How has a decrease in the Arctic sea ice affected Arctic ...

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How has a decrease in the Arctic sea ice affected Arctic ecosystems?
 
  a) subsistence-living inhabitants find it hard to get food because marine species live farther from shore
  b) polar bears depend on ice for capturing prey and making dens
  c) the Northwest Passage from the North Atlantic to the North Pacific will be ice free in the Arctic Ocean
  d) sea level is rising on land
  e) all of the above

Question 2

The oceans are a key component in the global climate system. Why?
 
  a) oceans absorb a major amount of the increased atmospheric heat, and climate change results from this
  b) increased storm activity results from additional evaporation
  c) melting sea ice changes the albedo of the surface ocean
  d) ocean circulation is affected by warmer temperatures
  e) all of the above

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Answer to Question 1

E

Answer to Question 2

E

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