Iam trying to enter the nycef science fair and i need a project plan for my research class. i want to do a study on antibacterial resistance but i don't know but i don't know what the independent variable would be and what can be tested. can someone me and let me know what i can collect i really need with this.

Which brand of hand sanitizer has more efficacy Purell 2x, Germ-x, and Publix Hand Sanitizer.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above