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During prenatal development, a particular organ or body part is most vulnerable to exposure to teratogens during the: a) critical period. b) vulnerability period. c) period of viability. d) period of the
asked
Nov 15, 2020
Medicine
high-school
1
answer
4
votes
232k
views
What makes plants the beginning of the food chain
asked
Jun 9, 2020
Physics
middle-school
2
answers
4
votes
117k
views
\sqrt{125 + √(36 + 64) }
asked
May 2, 2020
Mathematics
middle-school
1
answer
1
vote
179k
views
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