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Major divisions of earths history are?
BC - Before Christ AD - Anno Domini
What are the 4 eras in earths history?
precambrian era, paleozoic era, mesozoics era, cenozoic era
What is biological era?
Bioligical Eras are the same as Geologic Eras. 1) Paleozoic 2) Mesozoic 3)Cenozoic
What are Eons divided into?
eras
What are the layers of rock that indicate earths eras?
They are called Strata or Units, within Formations. I think the term "strata", which simply means "layers",is falling out of use for some reason.
Why is earths history divided into eras epochs eons?
because
What is the length of the Great Red Spot on Jupiter?
It is approximately the same size as two earths
What was the biggest change in the earths atmosphere between the precambrian and the paleozoic eras?
The origin of free oxygen
What is a Time scale?
A table that divides up earths histoty into eons, eras,periods,and epochs
What is time scale?
A table that divides up earths histoty into eons, eras,periods,and epochs
Major divisions of earths history are?
BC - Before Christ AD - Anno Domini
What are the prehistoric eras?
There are so far 4 Eras in the earths history. the one that started the beginning if the earths history: Precambrian Time. The one after that was the Paleozoic Era, which means "ancient life." next was mesozoic which means "middle life" the one we are in is called the Cenozoic Era which means" recent life." * All Eras ended with a mass extinction.
What are the 4 eras in earths history?
precambrian era, paleozoic era, mesozoics era, cenozoic era
What is biological era?
Bioligical Eras are the same as Geologic Eras. 1) Paleozoic 2) Mesozoic 3)Cenozoic
What planet length in day is close to the length of earths day?
Mars.
What is earths day length?
24 hours.
What statement best explains why the days in both of earths hemisphere are about the same length during spring and fall?
We don't have your statement, but you are asking about the equinox.
