economic activities such as industrialization and manufacturing have caused and put a lot of smog into our air which then makes it way back down to the bottom of the ocean or ground
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.
Well, if you make a limestone tower and a acid rain falls onto it, the tower will dissolve and then you won't have a tower
How we suppose to know Read the book
Answer:
Explanation:
Coastal mountains: colliding tectonic plates near land
Volcanoes: A portion of the crust in a seduction zone near melting
earthquakes: A sudden shift between two touching plates
Tsunami: An undersea earthquake