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Which record low temperatures result from that combination?

  • A.About minus 20 degrees
  • B.About minus 60 degrees, which is the record for the northern hemisphere and represents the physical limit
  • C.Below minus 80 degrees Celsius on the Antarctic plateau
  • D.About minus 40 degrees, which is the lowest temperature that a snow surface is able to reach by radiation

Answer: C

The Antarctic plateau combines high altitude, continuous darkness, extreme dryness and a snow surface, and satellite measurements have recorded surface temperatures below minus 90 degrees. Vostok holds the air temperature record at minus 89.2 degrees. The Siberian record of about minus 68 degrees is the northern hemisphere extreme.

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