Most of the time people have their period when they are 11 12 or 13 maybe older. but i started when i was 11 so you will start when your body is ready. some people start when they are 9 or maybe younger.
after Jurrasic period it is the Cretaceous period
1st period -Formative Period 2nd period-International Period 3rd period -National Period 4th period -World Music Period
The period after the Devonian Period (416 to 359.2Ma) is the Carboniferous Period (359.2 to 299Ma).
There are many famous periods in Japanese History. * Edo Period * Meiji Period * Jomon Period * Yayoi Period * Kofun Period * Nara Period
early period
The Ordovician period came after the Cambrian period.
The Silurian period followed the Ordovician period.
The Federal period
shot
Oxygen's period on the periodic table is the second period.
Qualifying period, Probation period. Trial period.
the period is teritary the period after dinosaurs