Essay on What Does It Happen?

976 Words Nov 12th, 2015 4 Pages
Permafrost
Remember Mood Rings? They were rings that change colors depending on your emotions. At least that’s what they wanted us to think. Mood Rings are really thermochroic liquid crystals that color changes based on the temperature of the finger. Something that seems so permanent like the color of a crystal is subject to change just by the mere change of the temperature of its environment. Some environments are also rigid and structured just like the crystals in Mood Rings, but yet, are also subject to change depending on the temperature just like the colors of the rings. Instead of the color changing, in this case, the ground and structure changes. The roads begin to slope forming hills and the homes that once seemed immobile suddenly moved and no longer have the same location. Now the infrastructure of a town starts to collapse all because of the changing of temperature in an environment, but how?
It is due to the thawing of permafrost. According to Merriam and Webster permafrost is, “a permanently frozen layer at variable depth below the surface in frigid regions of a planet”. This happens in places such as East Asia, Canada, and Alaska. Underneath these regions surface soil are huge blocks of ice. These huge blocks of ice under the soil have been frozen for at least fifty-thousand years. Some large glaciers and sheets of ice are left over from the Pleistocene period. “The Pleistocene period began 1,800,000 years ago, and ended 10,000 years ago…It was an ice age”…

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