I believe it is the third choice, there was nothing then a sudden explosion, creating the universe
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.
Cause they can't afford a house they don't have enough money for it hope this helps
A. it doesn't always have to have an attractive design
Umm a house for example we us it form trees and umm and yeah hoped this helped
