In a salt water solution, what is the water?

Does the energy in a solid increase or decrease when changing to a liquid?

Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly

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