As a consumer's disposable income rises, the proportion of income spent on food falls. This assertion is known as ________.

Fill in the blank(s) with the appropriate word(s).


Engel's Law

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Answer the following statement(s) true (T) or false (F)

A good worker should always be looking for ways to improve the quality and efficiency of his work.

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Which of these would be the first step in installing a drilled pile?

a. A fiberglass screw would be used to loosen the earth where the pile will be cast. b. A mold would be taken of a hole, and the pile would then be cast in the mold. c. An auger would be used to pre-drill a hole for the pile. d. A caisson would be installed.

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If the frequency increases in Figure 12-1, the phase angle ________ and the current ________

A) increases, decreases B) increases, increases C) decreases, decreases D) decreases, increases

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About 10 percent of the dairy herd has to be replaced each year.

Answer the following statement true (T) or false (F)

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