Filling spokes or vanes with section lines gives an immediate but false impression that the object is ____ throughout the spoke or vane area.

A. hollow
B. less dense
C. solid
D. unfinished


Answer: C

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By 1850, the South was losing perhaps ____ runaways a year out of its total of some four million slaves.

A. 200 B. 500 C. 800 D. 1,000 E. 2,000

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Supply of water is limited due to _____

a. the amount of polluted water b. industry use c. most of Earth's water is salt water d. melting glaciers

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____________________is the most critical part of the reverse engineering process.

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

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Dental disease frequently accompanies aging and can be manifested with tooth loss and/or pain. To help ensure adequate nutrient intake, which of the following practices may be employed?

A. Moisten dry foods B. Provide softer diets C. Adding flavoring ingredients to enhance palatability D. B and C above E. All of the above

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