What is the name of this alkane? a) 1-methyl,3-ethylnonane b) 1-methyl,5-ethylisohexane c) 1-ethyl,3-methylcyclohexane d) 1-ethyl,5-methylcyclohexane

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