What Phase Change Is Occurring in the Figure, and Is

question 33

Multiple Choice

What phase change is occurring in the figure, and is it endothermic or exothermic?

• A)melting; exothermic
• B)freezing; endothermic
• C)freezing; exothermic
• D)melting; endothermic
• E)sublimation; endothermic

---

Definitions:

Diarrhea

Increase in the number of stools and the passage of liquid, unformed feces.

Bowel Movements

The process of excreting waste from the digestive tract through the rectum.

Upset Stomach

A disturbance in the digestive system that can cause nausea, vomiting, or indigestion.

Impaired Gas Exchange

A condition where there is an obstruction or limitation in the diffusion of gases (oxygen and carbon dioxide) between the atmosphere and the blood, often seen in respiratory illnesses.