When the fertilized egg implants somewhere outside the uterus is called ectopic pregnancy
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Answer:
False
Explanation:
A virus (which is a pathogen) has a lot of antigens on its surface, so they can't be used interchangeably.
Answer:
<h2>a rift valley is forming</h2>
Explanation:
Answer:
I think the answer is B i might be mistaken though c:
Explanation: