Physics, 02.12.2019 21:31 lilybear1700
Which of the following statements about permafrost is true? choose one: a. it can extend as deep as 1,500 km below ground surface. b. permafrost that thaws and refreezes produces a pentagonal or hexagonal ground surface pattern called columnar joints. c. it is rare in periglacial environments. d. it can melt to a depth of a few meters in summer, then refreeze in winter.
Answers: 2
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Which of the following statements about permafrost is true? choose one: a. it can extend as deep a...
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