Sentence Examples


  • When the jet engines were not enough, they blasted holes into the frozen ground with dynamite.Due to the presence of permafrost, Mirny Mine's processing plant was built 20 miles away from the mine.
  • Sunspots and increased solar activity, permafrost, and a warming arctic tundra all play a role in raising the planet's average temperature.
  • In the summer, the cold temperatures kept permanent layers of ice on the ground, permafrost, which turned to mud on warmer days.
  • In some areas, permafrost is now emitting carbon, which could potentially accelerate the greenhouse effect and global warming.
  • Permafrost, which is solid, frozen soil, constitutes about 25 percent of the land area in the Northern Hemisphere.