One nanometer is equal to how many meters?

How does decreasing the gas volume affect the pressure of a gas?

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

If two objects at different te,peraure are in contact with each other what happens to their temperature