Nowadays, with the development of agriculture, industry and the expansion of the community, which has resulted in the spread of Trace Metals in the environment is increasing. Such as the use of fertilizers and pesticides, which are a mixture of metals. Wastewater from industries and communities with various metal contaminants are causing these metals have spread into the water and sediment. These metals, which last long. Do not decompose in nature, it is likely to accumulate in living organisms and transferred along the food chain to humans and to convey the final consumer.
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