Your grandparents are at your house visiting for the holidays and are asking questions pertaining to the weather in your area. What question might they ask you? A) what are the winters like here? B) Do you think it will rain tomorrow? C) does it rain much throughout the year? D) When do you think the most storms occur during the year?

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