Which process causes the handle of a spoon in a bowl of soup to become warm? boiling combustion conduction melting description

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 type of reaction always has an element and a compound as reactants

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?