Therefore, If the quantity of contamination of heavy metals in the environment exceeds an established standard may cause toxic to living organisms. People who live in the surrounding area and nearby areas.
Thus, if the amount of heavy metal contamination in the environment over the limit. May cause toxic effects on human beings who live in the surrounding area and the nearby area.
So if the quantity of heavy metal contamination in the environment over a standard. May cause toxic to human creatures living in the surrounding area and vicinity have .