It depends on what causing it. the only thing I can say is to drink plenty of fluids but I would recommend to go see a doctor, if you are unsure or worried.
<span>Muscles are made of fibers?
-true
</span>
Likely the chronological age, mainly because it would explain the differences in puberty stages between the two boys, which is an example of physical maturation.
Answer:
plagiarism
Explanation:
the practice of taking someone else's work or ideas and passing them off as one's own.
