Higher probability of loss. Chorionic villus sampling (CVS) and Amniocentesis (AC). The prenatal diagnosis technique can be done earlier in fetal development CVS (first trimester --> 10-13 weeks). AC (second trimester --> 16-20 weeks)
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The wrong answers for sure are B and D, I assume the answer is C
Answer:
I think this is because math and chemistry go together and the math problems are science related.
Explanation:
The formula of butane is C4H10 but I don't how many atoms it contains though
