How Do Mineral Substitutions Occur

question 43

Multiple Choice

How do mineral substitutions occur?

• A) If minerals deep within the Earth's surface melt, elements may mix together and substitute within mineral structures.
• B) If minerals in water dissolve, elements may mix together and substitute within mineral structures.
• C) Elements that do not have similar ionic charge or size often attract each other and substitute within mineral structures.
• D) Elements with similar ionic charge, size, or both substitute for each other within mineral structures.

---

Definitions:

Hypothalamic Activity

Functions and regulatory processes carried out by the hypothalamus, a region of the brain controlling body temperature, hunger, and thirst.

James-Lange Theory

The theory that our experience of emotion is our awareness of our physiological responses to an emotion-arousing stimulus.

Walter Cannon

Walter Cannon was a physiologist who coined the term "fight or flight response" and made significant contributions to the understanding of the physiological response to stress.

Physiological Reactions

Physical responses of the body to internal or external stimuli, such as increased heart rate or sweating.