What is the name of two areas where rivers leave rich, fertile soil?

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.

Which is a character of nuclear fusion but not nuclear fission

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?