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SIZIF [17.4K]
3 years ago
6

Describe the “wetlands thesis.” Why was it possible for our ancestors to build more settled communities in wetlands, as opposed

to other ecologies?
Geography
1 answer:
IceJOKER [234]3 years ago
5 0

Answer:

Wetlands are places which contain more moisture content than the arid or dry land. It is believed that the wet region have less strength . As we all know anything which is in contact with water have lesser strength due to water molecules harm the chemical bonding in the object.

Ancient times house construction was done using natural rocks and stones and which reacted using physical bond hence the ancient people were  successful as it used physical reaction and hence its strength was not affected by the moister. Present day homes are built using chemical bonds which told two  layers adhere hence moisture affect its strength and binding.

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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.

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3 years ago
Which of the following choices is an example of a fossil?
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Answer:

D. All of these choices are correct.

Explanation:

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7 0
1 year ago
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Answer:

Explanation:

I'd hate to be answering this and be color blind.

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So the answer is B.

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