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Author Question: What gas makes up 21% of Earth's atmosphere? (Read 99 times)

xsk4r3kr0w

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on: Apr 23, 2022

Question 1

What does OSHA set to protect workers against the health effects of exposure to hazardous substances?
◦ Permissible exposure limits (PELs)
◦ Acceptable exposure limits (AELs)
◦ Limit of permissible substance (LPSs)
◦ Limit of toxic substance (LTSs)

Question 2

What gas makes up 21% of Earth's atmosphere?
◦ Carbon
◦ Nitrogen
◦ Carbon dioxide
◦ Oxygen
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Marked as best answer by xsk4r3kr0w on Apr 23, 2022

MistyHubbard

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Reply #1 on: Apr 23, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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xsk4r3kr0w

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Reply 2 on: Apr 23, 2022
Excellent

emsimon14

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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