There is a possibility that arsenic contamination from soil naturally, fertilizer or pesticides rolled clay clay occurs because arsenic is a naturally occurring element found in the Earth.
There is a possibility that the arsenic contamination of natural soil, fertilizers or pesticides accumulate in the soil. Because arsenic is a naturally occurring element found in soil.
There is a possibility that arsenic contamination from natural soil, fertilizer or pesticides accumulate in soil soil. Because arsenic naturally occurring element is commonly found in soil.