Find the Sum Of $- 23 + ( - 16 )$

question 7

Multiple Choice

Find the sum of $- 23 + ( - 16 )$ .

• A) -38
• B) 39
• C) -39
• D) -7
• E) None of these

---

Definitions:

Psychobiology

The branch of science that explores the biological foundations of behavior, emotions, and mental processes.

Demography

The scientific study of population characteristics, including size, growth, density, distribution, and trends.

Phobic Disorder

An anxiety disorder characterized by excessive and persistent fear of a specific object, situation, or activity, leading to avoidance behavior.

Generalised Anxiety Disorder

A chronic disorder characterized by excessive, long-lasting anxiety and worry about nonspecific life events, objects, and situations.