The diagram shows a roller-coaster track. Assume that the system is closed. B D C E Α. At which point on the track will a roller-coaster car have the greatest potential energy due to gravity? Α.Α B. D с. В D. C

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood