This question needs to be more specific.
Life in different eras was different...but perhaps provide specific eras for a better result.
fossils
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.
to look up the history of the world and analyze the data from different eras and cultures
Not that different from North America
Because the eras easily seperate what happened in history and is easier to understand
I would say Earth's crust because eof different eras there are usually different landmasses. I hope this helped NOPE LIES
eras are geologic time intervals; based on the sequence of rock strata and the different life forms. Mesozoic era: 225 to 65 million years ago
The Cambrian Period is divided into three eras: the Early Cambrian, Middle Cambrian, and Late Cambrian. These eras refer to different stages or time intervals within the Cambrian Period, which lasted from about 541 to 485 million years ago. Each era is characterized by different geological and biological events, including the diversification of early animal life.
The Eras go like this: Precambrian Era Paleozoic Era Mesozoic Era Cenozoic Era Dinosaurs lived during the Mesozoic Era, and we live in the Cenozoic Era. Paleozoic means "ancient life" Mesozoic means "middle life" Cenozoic means "recent life" All eras end in a huge disaster
the renaissance and elizabeth eras came from us like indians and militaries.
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improvisation
fossils
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.
None - different eras, different peoples, different motivations.
I don't know if it is different from the rest of the numbers? It looks like the same font to me.
A difference in the mind and the modern era of developments