What is frequently cited as the cause of disease epidemics of the Middle Ages?

A. mass urbanization
B. lack of plumbing systems
C. agricultural run-off
D. crowding due to population growth


Answer: B

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The point where two straight lines intersect is called the ____________.

Fill in the blank(s) with the appropriate word(s).

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The passenger side in the United States is the _______

A) Right side B) Left side C) Either right or left side, depending on how the vehicle is viewed D) Both A and B

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A low brake pedal could be caused by worn brake shoes or a defective brake shoe adjuster.

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

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When concrete construction must be interrupted, a ____is used to provide a clean surface where work can be resumed.

A. construction joint B. wire mesh C. girder D. expansion joint

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