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Answers by Hashg

Answers by Hashg
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Occupational Safety and Health Administration's (OSHA's) permissible exposure limit (PEL) for acetic anhydride is 5 ppm in air and the immediate danger to life and health (IDLH) value is 200 ppm in air.
answered Jan 13, 2021
3 votes
138k views
A small train at an amusement park is carrying passengers. Half of the passengers are 6 years old, 1/10 are 7 years old, 1/5 are 8 years old, and 1/5 are 9 years old. What is the expected age for one of
answered Nov 22, 2020
0 votes
59.3k views
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