The heat transfer process in which warm air rises and cool air falls represents _____.

a. convection
b. radiation
c. conduction
d. transference


a. convection

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On sloping building sites, it is necessary to change the depth of the footings to accommodate the slope.

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

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A triglyceride molecule is comprised of:

A. 3 proteins and a fatty acid. B. 3 carbohydrates and glycerol. C. 3 fatty acids and glycerol. D. 3 nucleic acids and a phospholipid.

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Types of unemployment:

A) Seasonal unemployment B) Frictional unemployment C) Structural unemployment D) All of the above

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Concern is expressed on the part of the current administration about what should be the optimal tax rate for those households who make more than $250,000 per year. This issue corresponds to what branch of economics?

What will be an ideal response?

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