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An era is a period of time with no fixed duration. It is measured from some important occurrence or date.For example:
"The discovery of antibiotics marked an era in modern medicine." or "The Christian era." etc..
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∙ 14y ago
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How many years have you been in the common era?
The Common Era is a period coinciding with the Christian era, which began 2,011 years ago. So we have been in that era for 2,011 years.
How many years ago was Paleozoic era?
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How many years was the precambrian era?
Began 5 billion years ago
How long is an era of time?
An era is a period of geologic time which varies in length but is many millions of years. For instance, the current era of geologic time, the Cenozoic, has lasted for over 65 million years to date.
How many years between 25000 Before the Common Era and 31 Before the Common Era?
25,000 - 31 = 24,969.
How many years ago did the era in which you live in begin?
it would be around 650 millions of years ago
How many years ago did the prehistory era end?
325 BC[or]AD325
How many years has it been since the common era began?
The "Common Era" began in what would have been January 1, 0001 AD in the proleptic Gregorian calendar. It has been 2,010 years since the beginning of the "Common Era".
How many years did the Precambrian Era span?
The Proterozoic eon was the third eon in Earth history. It lasted from 2.5 billion years ago to 542 million years ago. Therefor, the Proterozoic was nearly 2 billion years long.
How many millions of years ago did the era in whih you live begin?
it would be around 650 millions of years ago
How many millions of years ago did the era in which you live begin?
it would be around 650 millions of years ago
How many million years ago did the era in which you live begin?
it would be around 650 millions of years ago
