What happens in an ectopic pregnancy?
select the correct answer.
the ovary releases two eggs at a time, and multiple fetuses grow in the uterus.
the fertilized egg does not have a chromosome, which causes it to develop abnormally.
the fertlized egg is not implanted in the uterus and starts growing outside of it.
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Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

Lina went camping in the woods. while camping, she accidentally touched a strange plant. her hand immediately started itching, and her skin erupted in hives. after she got home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina’s affected hand. lina’s grandmother followed a traditional remedy.

Which of the following identifies a main culprit for america’s increasing weight gain