The International Building Code requires all treads in a flight of stairs to be of equal depth, with a minimum depth of _____.
a. 9 inches
b. 10 inches
c. 11 inches
d. 12 inches
c. 11 inches
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Isolation joints are also known as _____.
a. separation joints b. control joints c. expansion joints d. movement joints
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_____ acres of American's wetlands have been lost
a. Approximately 200 thousand b. Up to 20 million c. Nearly 500 thousand d. Over 100 million
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Most of the lambs produced in the United States are produced ________ of the Mississippi River
a. West c. Southeast b. East d. North
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Why is rubber a good insulator?
What will be an ideal response?
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