Which energy sources are currently being used to help reduce the use of fossil fuels?
A) Hydrogen B) Wind power
C) Hydroelectric power D) Both B and C
D
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When the outdoor temperature falls below the balance point, an air-to-air heat pump _____.
a. must be shut down b. can no longer extract heat from the outside air c. loses heating capacity d. produces more heat than the structure requires
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The chemical composition of an egg, including the shell includes which TWO of the following
A) Water B) Protein C) Carbohydrates D) Iron
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The air flow on most structures that use a fossil fuel for a heat source have a(n) ____________________ that would be used as an air supply.
Fill in the blank(s) with the appropriate word(s).
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The highest office in Republican Rome was
a. quaestor. b. tribune. c. aedile. d. consul.
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