pre-classic era( 2,500 b.c. to a.d. 250) classic era( a.d. 250 to a.d. 900) and the new world era a.d. 900
There are 4 eras, and they are the Hadean, Archean, Proterozoic, and Phanerozoic eras.
Eons, eras, and periods, from large to small.
eras
Periods are subdivisions of geological eras.
Eras are divided into periods.
The three Mayan eras with their beginning and ending dates is:The Olmecs; 1200 to 100 BC. & 700 to 400 BC.The Teotihuacan; 200 BC. to AD. 600The Mayas; AD. 250 to AD. 900
There are 4 eras, and they are the Hadean, Archean, Proterozoic, and Phanerozoic eras.
The three eras of immigration are: - open immigration - the quota era - family reunification
there are three, but we live in one of them :)
The Precambrian Era can be divided into three major eras. These eras include the Hadean, the Archean, and the Proterozoic.
pre-classic era( 2,500 b.c. to a.d. 250) classic era( a.d. 250 to a.d. 900) and the new world era a.d. 900
Mayan, Inca, Aztec
There are at least three Mayan calendars. The next 'Great Cycle' starts on 22nd December 2012 (Gregorian)
There are at least three Mayan calendars. The next 'Great Cycle' starts on 22nd December 2012 (Gregorian)
Eons, eras, and periods, from large to small.
nobles preists and merchants
the three ears are , ,and , that is what they are.so next time dont forget your book so you dont have to use wiki answers.