Which of the Following Gases Has the Smallest Concentration in the Atmosphere

question 59

Multiple Choice

Which of the following gases has the smallest concentration in the atmosphere?

• A)N₂
• B)O₂
• C)H₂
• D)CH₄
• E)H₂O

---

Definitions:

DSM-5

The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a compendium of mental disorder criteria and classifications used by healthcare professionals.

Schizophrenia

Achronic brain disorder characterized by distorted thinking, perceptions, emotions, language, sense of self, and behavior.

Psychosis

A mental state where there is a loss of contact with reality, often featuring hallucinations, delusions, and impaired thinking.

Symptoms

The signs or indications of a disease or condition experienced by an individual.