Most Interstellar Clouds Are

question 79

Multiple Choice

Most interstellar clouds are:

• A)much bigger than our solar system.
• B)about the size of Earth.
• C)similar in size to clouds in Earth's atmosphere.
• D)much smaller than the clouds in Earth's atmosphere.
• E)about the size of a wavelength of light.

---

Definitions:

Mental Task

An activity that requires cognitive effort and mental processing.

Reward Centers

Areas in the brain associated with the experience of pleasure, heavily involved in motivation, desire, and addiction.

Limbic System

A complex system of nerves and networks in the brain, responsible for instinct and mood, controlling the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Addictive Disorders

A range of psychological conditions characterized by a compulsive engagement in rewarding stimuli despite adverse consequences.