Pollutants may be natural or man-made true or false

True
Explanation:
It is very true that pollutants can be created both naturally and man-made this is because that all animals produce or intensionally cause pollution, and not only animals there are many non natural causes for pollution too some examples of this is volcanic dust, sea salt particles, photochemically formed ozone, and products of forest fibres, an example of pollution that animals make is the methane and co2 produced after the digestion of foods in animals such as cows.Alyought humans are the leading cause of pollution with the increasing usage of plastic and the gas emmited from factories it is true that pollution can be caused by animals and by other non living causes.

Neither model is able to show the reactivity of potassium.