The answer is C.
you need to be direct when staying you don’t want to ride with the driver. by doing so, you’re letting them know that what they’re doing is in fact dangerous.
Answer:
you just have to practice.
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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