Describe an experiment that could further explore physical or chemical change.

A physical change occurs when the appearance of a substance changes but its chemistry remains the same. No new substance is formed in a physical change; water moving between states of matter, a Popsicle melting, and a paper crumbled are examples of physical changes.

The answer is b because a,c,and d are opinons

Answer ozone (o3) is made of three atoms of oxygen, it is a molecule;