Of the Following Gases, the Most Abundant in the Atmosphere

question 40

Multiple Choice

Of the following gases, the most abundant in the atmosphere is

• A) oxygen.
• B) nitrogen.
• C) carbon dioxide.
• D) argon.

---

Definitions:

Xiphoid Process

A small cartilaginous extension at the lower end of the sternum which becomes ossified in the adult human.

ChooseMyPlate Program

A nutritional guide created by the USDA to help American citizens understand and implement healthy eating habits, featuring proportions of different food groups.

Balanced Diet

A balanced diet provides all the nutrients a person requires, without going over the recommended daily calorie intake.