A teratogen is A. none of the above
B. The cause of cystic fibrosis and sickle-cell anemia
C. Another name for a genetic defect
D. Any substance capable of causing birth defects

Answers: D

Explanation:

harmful substances, called teratogens, which a woman should avoid during pregnancy.  Certain chemicals, medications, social drugs, alcohol, smoking

all of them lol cause theres no map

dude the first thing it says is that copied answers will get a zero. plus it would take anyone on an incredibly long time to answer. ive seen 2 people asking the exact same question and their questions got taken down. i have the assignment too, and im in the progress of doing it. i suggest going to a more private website, because this is the first place teachers look.