Answer:
Hi! As far as I know, it's normal for a cycle to last 3-7 days. If you're not feeling any severe pain then it should be good. I recommend using Flo, as it helps you predict your cycles and tells you when to see a professional or not. However, since your family has a history I do recommend seeing a professional just to make sure everything is going well, even if you have no symtoms. If there is a problem it's better to find it early than to find it later it life. Hope this helps!
Pretty confident that it is A, judging by that the word composition is used as a combination or a ratio of 2 things. Also none of the other options make sense.
That would be false, not ALL vaccinations offer complete protection
Answer:
iron
Explanation:
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