Madagascar is one of the islands and also one of the oldest, having split away from Africa over 120 million years ago

Which of the following units is not an official si unit? mole liter kilogram ampere

The same side of the moon always faces earth because the

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