A physical change is... —
1. when a substance changes its appearance or form, but not its identity.

2. when a substance changes into a new substance.

3. when a substance catches on fire.

4. when a substance reacts with another substance.

1. when a substance changes its appearance or form, but not its identity.

Explanation:

It basically applies makeup but you're still same person

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.