This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: With respect to volume, approximately what percentage of the air we breathe is composed of elemental ... (Read 15 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Aug 27, 2018
With respect to volume, approximately what percentage of the air we breathe is composed of elemental argon?
 
  A)  20
  B)  1
  C)  80
  D)  50

Question 2

The most abundant element (by mass) in the human body is
 
  A) oxygen.
  B) carbon.
  C) nitrogen.
  D) water.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

BUTTHOL369

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


mydiamond

  • Member
  • Posts: 804
Reply 2 on: Aug 27, 2018
Gracias!

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ... Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ...
How to find the volume and surface area of any triangular prism How to find the volume and surface area of any triangular prism
Nursing: A Concept-Based Approach to Learning, Volume II, 3rd Edition Nursing: A Concept-Based Approach to Learning, Volume II, 3rd Edition
Paramedic Care: Principles & Practice, Volume 1, 5th Edition Paramedic Care: Principles & Practice, Volume 1, 5th Edition
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library