Automotive repair and maintenance make up ________ percent of the total number of auto techs in the United States.
A) 3
B) 44
C) 1
D) 31
E) 21
Answer: B
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Nominal net farm income ________ dramatically during the 2007-2009 great recession.
Fill in the blank(s) with the appropriate word(s).
In a vertical weld, the ____ will constantly be solidifying, forming a new shelf to support the molten weld pool.
A. shelf B. trailing edge C. leading edge D. molten weld pool
A triglyceride molecule is comprised of:
A) 3 carbohydrates and glycerol. B) 3 proteins and a fatty acid. C) 3 fatty acids and glycerol. D) 3 nucleic acids and a phospholipid.
What is the main difference between a heat pump and a fossil fuel furnace?
A) Heat pumps move heat instead of creating it. B) Fossil fuel furnaces have been around longer. C) Fossil fuel furnaces are hotter. D) Heat pumps are easier to install.