The Average Person Breathes About 20 M³ of Air a Day

question 41

Multiple Choice

The average person breathes about 20 m³ of air a day. What mass of particulates would a person breathe in a day if the particulate level were 400 micrograms per cubic meter

• A) 2 mg
• B) 4 mg
• C) 6 mg
• D) 8 mg
• E) None of the above

---

Definitions:

Dreaming

The experience of envisioned images, sounds, or other sensations during sleep, often narrative in nature and typically occurring during REM sleep phases.

Hypnosis

A trance-like state of focused attention, reduced peripheral awareness, and increased suggestibility.

Memory Accuracy

The degree to which remembered information mirrors exactly what actually occurred.

Nicotine

A stimulant and addictive substance found in tobacco products, known for its effects on the nervous system.