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
.
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 popularity of people is decreasing
The answer is FALSE. Just took the test.
Answer:
The further the latitude away from 0, the less solar energy distribution.
Explanation:
As you get away from the latitude of zero in a northern or southern direction, the energy distribution will decrease, due to the colder climate as you go south or north.