The factor that helps to determine weather patterns across South America is elevation. The correct option among all the options that are given in the question is the second option or option "B". There might be some other factors as well but this is the major factor for determining the weather patterns of South America.
The "elastic clause" in the United States Constitution grants Congress the power to make laws needed to operate the national government. This statement is found in Article 1 in the United States Constitution.
The answer would be letter B or choice B.
Answer: The correct answer is : public; under provide
Explanation: Markets often cannot allocate resources efficiently, this failure is very frequent in the environmental field. Markets tend to provide very few environmental goods such as parks and open places but they do provide too much air pollution. One solution to this market failure is government regulation.
