Question

Question

Which of the following could be classified as producing a physical change?
OA. Burning a stack of newspapers
OB. Boiling an egg to put in a potato salad
OC. Placing steel wool in saltwater to form rust
OD. Removing rust from a piece of iron with a wire brush

Answer 1

removing rust from a piece of iron with a wire brush

Step-by-step explanation:

it is changing it physically because it's rubbing it