The copyright act of gives the owner of a copyright the exclusive right to publish, reproduce, distribute, perform, or display the work.

metallurgy is your answer

the "study of metals and the process of refining ("

note that it says metal. metallurgy has the word "metal" in it, and so is most likely your answer (and is your answer).

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i would ask my boss to do more things around the car shop. and i would slowly work my way up to working on cars and becoming a full time mechanic.

answer; normative economics;

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.