Nowadays, with the development of agriculture, industry and the expansion of the community. These results, which have caused 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 industrial sources in the community. The metal contamination It causes small amounts of these metals has spread into the water, sediment, metals which are aged longer. 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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