Percent composition? : 85.05 g of mg combines completely with 112.21 g of s. empirical formula? : 78.8% c, 20.2% h. 67.6% hg, 10.8% s, 21.6% o

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage