Propane is

A) About the same density as air
B) Either lighter or heavier than air depending on the characteristics of the local gas
C) Heavier than air
D) Lighter than air


C

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Studies have shown that the hidden costs of accidents can and usually do exceed the direct costs of accidents from 2 to _____ times

a. 7 b. 3 c. 5 d. 10

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Selection indexes are used extensively in dairy cattle genetic improvement.

Answer the following statement true (T) or false (F)

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____ is a selection command.

A. uniq B. awk C. sort D. sed

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A group of people become a team when:

a) members adhere to team ground rules. b) fair distribution of responsibility and authority exists. c) people adapt to change. d) All of the above.

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