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there are around about 120 but not exactly .,, each periodic tables means something different

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How many Periods are there in the Mesozoic Era?

There were three geological periods in the Mesozoic Era(251 - 65Ma).The Triassic Period(251 - 199Ma),the Jurassic period(199 - 145Ma) &the Cretaceous Period(145 - 65Ma).


Which era is divided into both periods and epochs?

The geological era that is divided into both periods and epochs is the Cenozoic Era. The Cenozoic, which began about 66 million years ago and continues to the present, is subdivided into three periods: the Paleogene, Neogene, and Quaternary. Each of these periods is further divided into epochs that reflect significant changes in Earth's climate, geography, and life forms.


Carboniferous period was subdivided into what two periods?

The Carboniferous period is subdivided into the Mississippian and the Pennsylvanian periods.


What are the phanerozoic periods in order?

The Phanerozoic Eon is divided into three major eras: the Paleozoic Era, the Mesozoic Era, and the Cenozoic Era. The Paleozoic Era is further divided into six periods: Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. The Mesozoic Era is divided into three periods: Triassic, Jurassic, and Cretaceous. The Cenozoic Era is divided into two periods: Paleogene and Neogene.


Span of geologic time that is subdivided into periods?

The span of geologic time subdivided into periods is called an era. Eras are further subdivided into periods to help scientists classify and study the Earth's history in a systematic way. Each period represents a distinct interval of time with its own set of characteristic geological and biological events.

Related Questions

How many periods are in each era?

there are different periods in each era. In the Cenozoic era, there are 2 periods, Quaternary and Tertiary. Mesozoic era has 3 periods, Cretaceous, Jurassic, and Triassic. Paleozoic has 7 periods, Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian. Precambrian is just the present, no time periods in it.


How many Periods are there in the Mesozoic Era?

There were three geological periods in the Mesozoic Era(251 - 65Ma).The Triassic Period(251 - 199Ma),the Jurassic period(199 - 145Ma) &the Cretaceous Period(145 - 65Ma).


How many periods of time is there during the dinosaur age?

The dinosaur age is known as the Mesozoic era. It is divided into three periods, the Triassic, the Jurassic, and the Cretaceous. Each of those is further divided into stages. There are a total of 29 stages in the Mesozoic.


What are the time periods of journalism?

The time periods of journalism include the Pre-Industrial Era (pre-1800s), the Industrial Era (1800s-1900s), the Broadcast Era (1900s-2000s), and the Digital Era (2000s-present). Each era is characterized by distinct technologies, distribution methods, and media formats that influenced how news was gathered, reported, and consumed.


How many periods do you normally get a day?

Periods occur each month not each day Periods last a minimum of 5 days and can range to 7 days.


What do you call the divisions in an era?

Divisions of an era are called Periods.


How many periods in hockey?

There are 3 periods in Ice Hockey. there are 20 mins in each period.


Are There are 6 periods in the Mesozoic Era?

There were three periods in the Mesozoic Era. The Triassic Period, the Jurassic period & the Cretaceous Period.


What era's and 3 periods were the age of the dinosaur's?

The Age of Reptiles was the Mesozoic Era. The three periods were the Triassic, Jurassic, and Cretaceous.


Carboniferous period was subdivided into what two periods?

The Carboniferous period is subdivided into the Mississippian and the Pennsylvanian periods.


How many periods did john do in class if he was 6 hours in school and each periods was 45 minutes?

8


What are the phanerozoic periods in order?

The Phanerozoic Eon is divided into three major eras: the Paleozoic Era, the Mesozoic Era, and the Cenozoic Era. The Paleozoic Era is further divided into six periods: Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. The Mesozoic Era is divided into three periods: Triassic, Jurassic, and Cretaceous. The Cenozoic Era is divided into two periods: Paleogene and Neogene.