Magnesium ribbon is burned in oxygen. As the ribbon burns, a gas forms, and a white ash is left behind. Identify the reactants and products that are used in each reaction.

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.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

C3h8o3 - glycerol major species present when dissolved in water