Steel is used for reinforcement because it _____

a. will not corrode
b. has nearly the same temperature expansion and contraction rate as concrete
c. has a lower temperature expansion and contraction rate than concrete
d. is inexpensive


b

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A(n) ____________________ backup is a backup of a set of specified files, regardless of whether they have been modified or otherwise flagged for backup.

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

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Mercantilists believed that

A. a mother country needed to import more goods than it exported. B. power came from a small colonial empire. C. the mother country produced raw materials and colonies produced the finished product. D. a country's economic wealth could be measured by the amount of gold and silver in its treasury. E. colonies drained a country of its resources.

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The orbit farthest from the nucleus contains the ____________ electrons.

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

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Like charges ________

A) repel B) attract C) have no effect on each other

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