This topic contains a solution. Click here to go to the answer

Author Question: What gas makes up 21% of Earth's atmosphere? (Read 98 times)

xsk4r3kr0w

  • Full Member
  • ***
  • Posts: 146

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by xsk4r3kr0w on Apr 23, 2022

MistyHubbard

  • Full Member
  • ***
  • Posts: 174
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.
Answer Preview
Only 39% of students answer this correctly




xsk4r3kr0w

  • Member
  • Posts: 146
Reply 2 on: Apr 23, 2022
Great answer, keep it coming :)


aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library