It's true cause a child has an developing immune system whereas adults have that already developed so the children under development are more likely to have those problems.
Birth defects can be caused wither by internal genetic factors or external factors like drugs, radiation, smoking,...
Dana, who is concerned about the possibility that her baby will have defects, may do the following tests: screening test, that will show if she might have child with birth defect and diagnostic test like amniocentesis (analyzing small amount of amniotic fluid from the area surrounding the baby) which is more than 90% correct.
Answer:
a
d
c
b
b
Explanation:
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