Question

which of these are physical changes?
cutting, tearing, freezing, thawing, folding, mixing without chemical changes
burning, rusting, forming a new substance from two different substances, exploding, cooking

Explanation:

Physical changes do not result in a new substance being formed. Cutting, tearing, freezing, thawing, folding, and mixing without chemical changes only alter the physical state or appearance of a substance. Burning, rusting, forming a new substance from two different substances, exploding, and cooking involve chemical reactions that create new substances.

Answer:

cutting, tearing, freezing, thawing, folding, mixing without chemical changes