The exposed portion of the
continental crust underlying North America refers to Canadian Shield. The continental
crust is known as the North American Craton which consists of rocks from the
Archean dn Proterozoic eons and extends from Mexico to Greenland. Canadian
Shield also produces great resources that helped most humans for their economic
development. Because of the resources present in the Shield, it has a great
disadvantage to settlers. The primary obstacle to population growth in the area
is the presence of the bare rock, thin soils, muskeg and insects.
By siltation, as part of the bed load
Answer: Eradication
Coca eradication is an example of a strategy promoted by the United States government in 1961 as part of its "War on Drugs." It consists of eliminating the cultivation of coca, the drug crop whose leaves are used in the manufacture of cocaine.
Answer:
The Berlin tragedy is no longer a problem because the wall was taken down, and families were able to reunite and have their families together again.
Explanation:
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