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.
These spring<span> tides occur because the Sun and Moon's gravity tug on Earth together. Weaker, or neap, tides happen when the Sun, the Moon, and Earth form an L-shape. Good Luck! So the answer in short is spring tide.</span>
Minnesota<span>, </span>Wisconsin<span>, Illinois, </span>Indiana<span>, </span>Michigan<span> and </span>Ohio<span>. </span>
Climate and their level of agricultural technology
Answer:
Europe is traditionally defined as one of seven continents. Physiographically, it is the ... Europe's eastern frontier is delineated by the Ural Mountains in Russia. ... The Balkan peninsula is separated from Asia by the Black and Aegean Seas. ... from the high Alps, Pyrenees and Carpathians, through hilly uplands, into broad, ..
Explanation:
