When your food in placed under a warming light in a fast food restaurant, which type of electromagnetic waves are most likely used to keep your food warm?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Mixing salt in water is an example of physical change

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.