The coop was a comfortable 48°F - warm enough to keep the eggs from freezing, but cold enough that the chickens didn't get shocked by the temperature change when they went out of the coop.
Arctic plants make their brief growth and flower at a temperature little above freezing-point, and are dependent for their heat on the direct rays of the sun.
The communication between the Atlantic and Arctic basins being cut off, as already described, at a depth of about 300 fathoms, the temperatures in the Norwegian Sea below that level are essentially Arctic, usually below the freezing-point of fresh water, except where the distribution is modified by
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