8 - 4.1 = ____________________.

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


3.9

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The amount of metal expansion is proportional to two things: the type of metal used and the ____.

a. specific heat b. density of the metal c. ambient temperature d. amount of heat

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Always fill gasoline cans on the ground to prevent static electricity

Indicate whether the statement is true or false

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What dramatic transformation did the book undergo between 1150 and 1250?

a. Caroline Miniscule was substituted for larger Roman lettering. b. The large, early medieval codex gradually gave way to smaller, portable books. c. Books were no longer printed on vellum, but rather on paper. d. High medieval books ceased to contain title pages.

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 Technician A hydraulic fluid can transmit motion and force because a fluid cannot be compressed. Technician B says mechanical advantage in a hydraulic system is proportional to the size of the input piston versus the output piston. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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