number of subjects, age and sex of the subject, and length of the study... Just took the quiz(:
Answer:
Add a little bit of water
Explanation:
Adding a little bit of water to baking soda will make a paste, which can be used as a toothpaste! Use it as you normally would with normal toothpaste, by brushing with a toothbrush and add a dab of the paste onto it, and then brush for about two minutes.
Distracted driving (drunk driving or texting while driving)
