The Atmosphere Consists Mainly of __________

question 5

Multiple Choice

The atmosphere consists mainly of __________.

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

---

Definitions:

Informed Consent

Assent given by a mentally competent individual at least 18 years old with full knowledge of the purpose and potential risks and benefits of participation.

Social Security

A government program that provides financial assistance to people with inadequate or no income, especially the elderly, disabled, and unemployed.

Generalized

A concept or condition applied broadly and not limited to a specific instance, area, or group of people.

Sample Size

Refers to the number of participants or observations included in a study, critical for determining the study's power and validity.