Mantle made blank to determine if certain trait forms and their alleles were inherited together

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.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

This drawing shows a human body system. what is the primary function of this body system?