What is the total number of atoms in the following formula? cabr2 4 3 2 1

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter