Question

1. digesting food is an example of: physical change chemical change

Explanation:

Digesting food involves chemical reactions that break down complex food - substances into simpler ones for absorption. Chemical changes result in the formation of new substances with different chemical properties. In digestion, enzymes break down proteins, carbohydrates, and fats into smaller molecules. Physical changes only affect the physical state or appearance of a substance without changing its chemical composition. Since digestion creates new chemical substances, it is a chemical change.

Answer:

Chemical change