When continental crust collides with continental crust both are to buoyant to be subducted, as the two plates continue to push against each other it uplifts the crust with reverse faults and creates mountains.
Fluid retention scores (on a 0â4 scale) peaked on the first day of menstrual flow (mean Â± SE: 0.9 Â± 0.1), were lowest during the mid-follicular period, and gradually increased from 0.22 Â± 0.05 to 0.50 Â± 0.09 over the 11 days surrounding ovulation.
How long does menstruation last? On an average a period lasts between 3 to 5 days. It is normal for a girl to have irregular periods in the beginning. During this time, the duration of her periods may vary from as short as 2 days to as long as 7 days. It can take up to a year for periods to become regular.