Puberty, menopause, substance abuse, disease and pregnancy are the biggest ones.
I say c. cause it is show casing more then one
Answer:
to lower the risks of health problems in the near future if your unsafe by means of how you eat or how you spend your days.
Explanation:
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:
- Have a terrific day! <3
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