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yusuki yusuki
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Posts: 2318
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9 years ago
Which of the following can easily pass through the placental barrier?
a.   many viruses
b.   some heavy metals
c.   certain chemicals
d.   all of the above
e.   none of the above

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monosaccharidemonosaccharide
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Posts: 3208
9 years ago
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yusuki Author
wrote...
9 years ago
This is wonderful, thank you for the help.
wrote...
9 years ago
You're welcome Happy Dummy
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