Ash fall: Ash falls from continued explosive jetting of fine volcanic particles into high ash clouds generally do not cause any direct fatalities. However, where the ash accumulates more than a few centimetres, collapsing roofs and failure of crops are major secondary hazards. Crop failureâ¦
No one can say exactly when you'll get your first menstrual period, but you will get it sometime during puberty. Puberty is the time in your life when you begin to become an adult. This means a lot of growing and changing â both inside and out.
The first menstrual period is called  menarche .. The menstrual cycle is about four weeks long, starting on the first day of bleeding and ending when the next period begins. However, it can vary greatly when a girl first starts her period.It may skip months or come several times per month in the beginning.he first menstrual period is called  menarche .. The menstrual cycle is about four weeks long, starting on the first day of bleeding and ending when the next period begins. However, it can vary greatly when a girl first starts her period.