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.
A long span of geologic time is called an era. This is a major division of geologic time that is further subdivided into periods. Examples of eras include the Paleozoic, Mesozoic, and Cenozoic.
The 3 eras of geologic time is Palezozoic era, Mesozoic era, and Cecozoic era
ok im going to start off by saying this, the last answerer is stupid, and doesnt know what he is talking about. it goes from: PERIOD ERA EPOCH there you go ;)
After an era, the next smallest division of time would be an epoch. An epoch is equal to around 10,000,000 years, where as an era is 100,000,000 years.
The two basic divisions following the Precambrian on the geologic time scale are the Paleozoic Era and the Mesozoic Era. These eras are further divided into periods, such as the Cambrian, Devonian, and Permian in the Paleozoic Era, and the Triassic, Jurassic, and Cretaceous in the Mesozoic Era.
an era is a very long span of geologic time
a long time
a long time ago :]
100 Years,. Correction: Asking how long an era is, is the same as asking how long is a piece of string. An era can be any segment of time that can be distinguished. Such as, the 'Nazi era', 'George W. Bush era'. An era is NOT 100 years, that is a century.
A long period of time is commonly referred to as an era or epoch.
An era is just a general period of time marked by distinctive events. A decade is 10 years long.
age, era, eon
An 'eon' or an 'era' .
700-1100 ad
Eternity, century, decade, millennium, it depends.
the Mughal era was 331 years long
Geologists divide the time between Precambrian Time and the present into three long units called eras: the Paleozoic, Mesozoic, and Cenozoic eras. Each era is characterized by significant geological, climatic, and biological events that shaped the Earth's history. The Paleozoic era is known for the development of early life forms, the Mesozoic era is often called the "Age of Reptiles," and the Cenozoic era is known for the rise of mammals and birds.