After a brief stay at a friends house you find you have fleas. you remove 190 adult fleas. if the average adult flea weighs 0.45 mg how many pounds of fleas have you removed?

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