Calculate the efficiencies (to 3 significant figures) of using 400kV and 20 kV to supply a town with 50 MW of power. (Hint: the power is the energy transferred per second)

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.