LE CINQUE ERE GEOLOGICHE:
Gli studiosi hanno diviso la storia della Terra in cinque ERE GEOLOGICHE, ossia in periodi di tempo molto lunghi.
Le cinque ere sono:
· ERA ARCAICA – ARCHEOZOICA
· ERA PRIMARIA – PALEOZOICA
Fonte e tutta la storia:
it is sad that the jounalists are not honset , whre is the open and free society?. they jus keep telling people what the usa govenment wants them to tell. pleas tell the american people what they deserve tell them just the truth? , do not send young men to kill and be killed in totally unjustified wars based on lies