- 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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6 0

2 years ago

Which action should be taken when first assisting an unconscious choking victim?

Novay_Z [31]

I'm pretty sure the answer would be: If the person is upright, carefully ease the person to the floor. this is of course after calling 911, followed by looking for the object lodged in the persons throat.

4 0

3 years ago

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A food worker use the two-stage method for cooling a large batch of Meatloaf what is the maximum cooling time the entire process

GalinKa [24]

Okay, i'm going to need more information because you haven't really asked a question

3 0

3 years ago