Air and water are the most apre-modify the noun with an adjective elements of the environment. But we are polluting them bpost modify the verb with an adverb. Mills and factories use fuel cpost modify the verb with an infinitive their products. The burning of this fuel creates smoke dpost modify the verb with an adverbial. Motor vehicles also pollute the air, euse an appositive. Water is polluted by fpre-modify the noun with a quantifier kinds of waste and filth. We also contaminate water gpost-modify the verb with a present participle phrase into it. Farmers use hpre-modify the noun with an adjective fertilizers and insecticides and pollute water. ipre-modify the noun with a past participle water is jpre-modify the adjective with an intensifier harmful for health.