There is a electric train traveling north, and the wind is blowing south. which way is the steam going.

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Which is the most accurate name for the covalent compound p2o3?

Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: