Las herramientas de hierro como las sierras, hachas y escofinas se han utilizado aproximadamente desde hace ________ años.

a. 500
b. 2,000
c. 5,000
d. 150


Answer: B

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An entire panel of a duct module should be replaced if the _____.

a. damaged area extends to within 8 inches of the edge of the panel b. panel has a 1/2-inch-wide tear in the facing c. panel has a 1-inch-wide tear in the insulation d. panel is cracked or creased

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Animal scientists typically do NOT teach:

a. at community colleges c. at research universities b. in elementary schools d. in 4-H programs

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The gas flame will lift off the burner and be noisy if it receives too much primary air.

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

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The tread of the rear wheels on a car is increased 92 millimeters from the year before. What is the increase in tread expressed to the nearest tenth of an inch?

A. 3.5 B. 3.6 C. 3.7 D. 3.8

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