At the age of 13 is it normal to have menstruation 2 times a month or you should be worried.

It's often normal during the teen years to have irregular periods. When a girl's period is irregular, it might come more than once a month or only come every few months. Some girls find they get their period more than once some months, then they might not have another for several months.

Explanation:

Explanation:

Mount Kilimanjaro lies just 205 miles from the equator, in the country of Tanzania. ... as they thought it was impossible for ice to form so close to the hot, equatorial sun. ... Mawenzi is a craggy peak that ranks as the third highest peak in Africa, after Kibo ... However, Kibo is considered a dormant volcano; it can erupt again!