All matter contains carbon. All matter contains oxygen. All matter is made up of cells. All matter is made up of atoms.
I gave my students this multiple choice question: Which statement describes all matter?

Only one answer is correct among these 4 choices:
- All matter contains carbon.
- All matter contains oxygen.
- All matter is made up of cells.
- All matter is made up of atoms.

Could you tell me which one is correct?

All matter is made up of atoms.