It. C because tertiary means. To an Antiguan at least two times
Answer: 
- Lead, cobalt, arsenic and selenium appear to pass the placental barrier by a diffusion mechanism. It was also found that the mercury levels in cord blood were almost double those of the mother, suggesting that the foetus may act as a filter for the maternal mercury levels during pregnancy.
Explanation:
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The answer would be A, regulating the content of processed foods. There are so many processed foods in today's society that it is extremely difficult to avoid them.
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