CFC and HCFC Gases, Which Are Widely Used in Refrigeration

question 43

Multiple Choice

CFC and HCFC gases, which are widely used in refrigeration and in foam plastics, catalyze the breakdown in the upper atmosphere of

• A) water vapor.
• B) carbon dioxide.
• C) oxygen.
• D) ozone.

---

Definitions:

Contingency Approaches

Management theories suggesting that there is no one best way to make decisions; rather, the optimal choice depends on the situation.

Transactional Leadership Approaches

Leadership styles focused on the supervision, organization, and group performance, based on a system of rewards and penalties for achieving specific goals.

Trait Approaches

Trait approaches in psychology propose that individual personalities are composed of broad dispositions, and that these traits influence behavior.

Behavioral Leadership Approaches

Theories focusing on the observable behaviors of leaders and how these behaviors influence their effectiveness in guiding and motivating others.