Excessive applications of ____ contributes to thatch buildup
A) nitrogen
B) potassium
C) ?phosphorus
D) iron
A
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The force needed to operate the main valve is provided by the ____.
a. compressor b. evaporator c. accumulator d. condenser
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When installed in moderate- to high-risk seismic design zones, prefabricated foundations are installed on poured-in-place footings instead of crushed stone to provide more resistance to ____.
A. tornadoes B. floods C. moisture D. earthquakes
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All the solar energy that hits an object is either reflected, absorbed, or ____, depending on its particular characteristics.
A. increased B. rejected C. transmitted D. stored
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This is a covering that is placed over the flue for protection from the elements:
A. chimney liner B. flue C. chimney anchors D. chimney cap E. chimney hood
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