The indicator species method of biological detection uses all of the following to warn about environmental pollutants except:

a. enzymes c. animals
b. microbes d. plants


A

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Most power utility companies require a three-phase service installation when the connected motor load is in excess of ____________________ horsepower.

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

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Which of the following is the highest valued U.S. export?

A. Pork B. Turkey C. Beef D. Chicken

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What is used to top off the water supply for the system?

A) The low-water cutout B) The supply pump C) A pressure-regulating valve D) The return water line

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A shuttle operation involves the delivery of shipments to various NASA locations around the country.

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

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