Metals may be naturally present in some areas (they DO come from the ground, you know) or they may enter the water table from improperly disposed of wastes. In some cases, metals may have entered the water supply by way of piping- at one time lead pipes, or coper pipes soldered together with lead was the standard water supply pipe.
By Americans
because if the air become polluted it serves many sick in humans
By Americans
Clean water does not pollute, though it can become polluted.
Clean water does not pollute, though it can become polluted.
Water or air dirty with gases or chemicals is polluted water or air.
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Sydney's water is mostly polluted with trash but it's a bit hard to find it. The air and the rest isn't that polluted.
By factories air, water, soil, etc. are polluted because factories release smoke, toxic chemicals and dirty water.
No, it is not an adjective. Pollutant is a noun. Polluted would be an adjective.
a air polluted place is a place in which air is polluted in India Delhi is the most polluted
storm water becomes polluted because as it flows it carries all types of wastes,sand particles and soil with it.