The ordovocian was a time when there was almost no life on land but lots in the sea, like trilobites.It started around 500 mya.
The Pangaea split is the difference between the Cretaceous period and the Jurassic period. The split took place in the Jurassic period.
Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
Period 5.
No. Cobalt is in period 4, but iridium is in period 6.
Time period = 1 / frequency. Frequency = 1 / time period. When frequency increases, the period decrises.
after Jurrasic period it is the Cretaceous period
you are on your 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 Federal period
I am due my period. Can you have a sigmoidoscopy with a period?
Qualifying period, Probation period. Trial period.
shot
The oldest period is the Triassic period.
1st period.