plastic yogurt container. clearly labeled glass jar. paper orange juice container. green plastic soda bottle.
I gave my students this multiple choice question: The best container for storing an unknown liquid is a

Only one answer is correct among these 4 choices:
- plastic yogurt container.
- clearly labeled glass jar.
- paper orange juice container.
- green plastic soda bottle.

Could you tell me which one is correct?

clearly labeled glass jar.