Hallucinogen is the answer to your question
Answer:
Here's 4:
Handle & Prepare Food Safely. Food can carry germs. Wash hands, utensils, and surfaces …
Wash Hands Often. Learn how to Clean Hands and Help Prevent Flu.
Clean & Disinfect Commonly Used Surfaces. Germs can live on surfaces. Cleaning with soap …
Cough & Sneeze Into Your Sleeve. Learn how and when to cover your cough and sneeze.
Explanation:
The control group is usually the group in which none of their variables are changed. This group is used in order to compare it with the outcomes of the other groups.
