Question

Mr. Carmen asked his class to observe the following events. steel wool rusting wooden splints burning down to ashes sandstone crumbling when tapped with a hammer an antacid tablet releasing carbon dioxide bubbles in water Which of the events produced a physical change?

Answer 1

Sandstone crumbling when tapped with a hammer

Step-by-step explanation:

well, if you hit a rock (sandstone) and break it, it's still gonna be a rock ( sand stone)