A gas/vapor with a vapor density less than 1 will ______ and disperse readily into the air

a. float on top of a pool of water
b. travel along ground surface
c. sink
d. rise


d

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Which part of a formal business letter contains the message?

A. Body B. Subject C. Closing D. Heading

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____ is the breakdown of muscle is a condition that is most often associated with crush injury, electrical injury, or prolonged soft tissue compression.

A. Rhabdomyolysis B. Flexor tenosynovitis C. Osteomyelitis D. Bursitis

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Damage to nerve cells without myelin sheaths is permanent, because regeneration of nerve cells can only happen when ________ cells are present.

A. Bell B. Parkinson C. Alzheimer D. Schwann

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Cell phone distractions are involved in at least 50% of all car crashes

Indicate whether the statement is true or false.

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