When is thermal equilibrium achieved between two identical objects?
a. when one object is colder than the other
b. when one objects is hotter than the other
c. when both objects have the same temperature
d. when the particles in one object have more kinetic energy

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.