____ is a colorless and odorless gas which can sicken or kill persons residing in the home.

A. Hydrogen
B. Nitrogen
C. Carbon dioxide
D. Carbon monoxide


Answer: D

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Craftworkers who perform such tasks as building stairs, installing trim, and hanging doors are considered _____.

a. master carpenters b. rough carpenters c. detail carpenters d. finish carpenters

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Match the following biotechnology terms

a. increased milk production b. increased meat production in swine c. genetically engineered frost retardant d. genetically engineered Escherichia coli 7. insulin 8. bovine somatotropin 9. porcine somatotropin 10. Ice-minus

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To increase the strength and durability of the floor, plywood decking is installed

A) With the end joints offset B) With the length of the plywood parallel to the floor joists C) Diagonal to the floor joists D) With the end joints aligned

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The cold-spring gap refers to the difference ________

A) in expansion before and after expansion loops have been installed B) between the length of the installed pipe and its intended length C) in temperature before and after the pipe expands to its intended length D) between the temperature of the installed pipe and its final temperature

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