What is a good explanation as to why water boils in a pot sitting over

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.

1. list three scientific reasons cockroaches may fly.

What is the work done by the electric force to move a 1 c charge from a to b?