Which of the following statements are true? a. forces do not cause any changes to matter b. forces and motion are not related c. if matter moves, a force acted on it d. matter is held together by forces

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging