Pleas explain what you are asking for
The speed is not stable/constant , it`s changing
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.
