Which of the following statements about permafrost is true?
(a) it is rare in periglac...
Which of the following statements about permafrost is true?
(a) it is rare in periglacial environments.
(b) permafrost that thaws and refreezes produces a pentagonal or hexagonal ground surface pattern called columnar joints.
(c) it can extend as deep as 1,500 km below ground surface.
(d) it can melt to a depth of a few meters in summer, then refreeze in winter.
Answers: 1
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Identify, in detail, three environmental effects of agriculture and explain how the actions of farmers cause them. what is the relationship between poverty and obesity in america and why? what are genetically modified organisms? list two pros and two cons for using genetically modified organisms. y'all this is due !
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