Why Does a Plume of Contamination Spread Out (Become Wider)away

question 27

Multiple Choice

Why does a plume of contamination spread out (become wider) away from the source of contamination?

• A) because the water flows faster and faster
• B) because of diffusion of the contamination and mixing of contaminated and uncontaminated water
• C) it does not spread out away from the source
• D) it will only spread out if it is close to a cone of depression

---

Definitions:

Referent Power

A type of influence based on the attractiveness and charisma of the leader, leading others to identify with or emulate them.

Interpersonal Attractiveness

The degree to which a person is perceived as likeable, desirable, or worth engaging with in a social or romantic context.

Friendliness

A behavior or attitude that is hospitable, welcoming, and kind towards others.

Influencing Responses

Communications in therapy designed to guide or encourage clients toward positive behavioral or cognitive changes.