OBSERVATION
A PROBLEM THAT CAN BE ANSWERED USING EXPERIMENTATION IS?
RESEARCH QUESTION
Out of the statements below, which one is the best example?
A. Can I use Oxy Clean to get BBQ sauce out of my white tee
B. How effective are store bought stain removers in getting BBQ sauce out of white tee
C. If I use spray and wash then my shirt will get clean
C. If I use spray and wash then my shirt will get clean