Asealed flask containing 1.0 mole of h2(g) and a sealed flask containing 2.0 moles of he(g) are at the same temperature. the two gases must have equal

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