Answer: D. It can melt to a depth of a few meters in summer, then refreeze in winter.
Explanation:
Permafrost is ground which remains frozen for two or more years. Permafrost consists of soil, rock and sand fused together by ice. Mostly found in areas in high altitude, the Arctic, Antarctica, it is common in periglacial environments where temperatures are below freezing
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The topmost layer of permafrost can melt in summer and refreeze in winter. This thawing and refreezing produces a ground pattern called columnar joints similar to the one formed when molten lava cools.
The number of tie downs you need depends on the length and weight of the cargo you are transporting. Federal Motor Carrier Safety Administration (FMCSA) rules state: Use one tie-down if your cargo: Is shorter than 5 feet and weighs less than 1,100 pounds.
Answer:
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A. Rebellious</h2>
The USA signing the Declaration of Independence (Independence from Great Britain) in 1776 was one of the country's most rebellious acts from Britain.
With this piece of information, you would obviously know that subordinate nor oblivious would fit in the options as those both relate to the terms 'unaware' or 'lower rank'.
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Daintysword</em></h2>
