Which of the following human activities could have an irreversible effect on an ecosystem? I. introducing a new species
II. urban sprawl
III. introducing a new chemical
IV. over-hunting

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.

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when you sing louad enough the vibration of you voice is able to shatter glass so yes vibration is your answer

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answer; to be the responsible party for healthcare delivery through medicare and medicaid programs;

answer; they burn down the bushes and trees;