You and your friends are at the park on a sunny day and playing on slide. as you slide the hot sun burns your leg. explain why this happen

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted