How do u solve for f in kn+4f=9v

Major river of southeast asia flowing through laos thailand vietnam and cambodia

Which process is a source of outdoor air pollution? check all that apply. burning gasoline at a refinery releasing fumes at a chemical plant emitting particles from a dump truck releasing radon gas from a generator emitting carbon monoxide from a heater

According to the map above, all of the following areas have a high population density except