Earth's lithosphere is made of slabs called plates. The movement within Earth's interior causes plates to move. How the plates behave affects the shape of Earth’s crust. Which statement describes the movement of plates 1 and 2? They are moving toward each other. They are rubbing past each other. They are moving away from each other. They are rising and sinking.

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o