Why did soldiers use to rub mold on their wounds?

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

All forces cause motion? true or false

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.