The most common heating fuel in the United States is _____
A) gas
B) fuel oil
C) electricity
D) coal
Answer: A
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Which type of zoning system damper does not require a motor?
a. Expansion damper b. Diffuser-mounted damper c. All common zone dampers d. Barometric bypass damper
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Weed seed tends to be bigger than crop seed
Indicate whether the statement is true or false
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The federal government is the primary regulator of endangered species
Indicate whether the statement is true or false
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Rough surfaces tend to create a sense of _____.
A. flexibility B. luxury C. reduced height D. brightness
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