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Why are the last 570 million years of Earths history divided into 3 different eras while the preceding 4 billion years compromise only one era?
Wiki User
∙ 13y ago
Precambrian: Nothing exciting happened, just orogenic processes that basically created the planet we'd recognize today.
As opposed to...
Paleozoic with the first non-cellular life forms really taking off
Mesozoic: all the really cool stuff, like dinosaurs
Cenozoic: the planet re-cooperating from a massive meteor strike, eventually the rise of mammals & humans
Wiki User
∙ 13y ago
Cassius Doongoor
I have no idea
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Elements have different properties because elements can be further divided than atoms and can be mixed by another element
Is the earths crust made of one piece?
The crust is not one single piece. It is broken up into different plates of different sizes and shapes. This is what allows them to move and thus plate tectonics occurs.
What is trophospere?
# what i think you meant was troposphere and it is basically the lowest layer of the atmosphere. The atmosphere is divided into different layers, and this layer happens to be the closest to Earth.
What is Earth divided into its hemispheres by?
Earth is divided into the Northern and Southern hemispheres by the equator, and the Eastern and Western hemispheres by the Prime Meridian.
What are Eons divided into?
eras
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7925805.15
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0.3889
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0.0029
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0.1
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0.2036
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0.3
What is 500 million divided by 60 billion?
500 million divided by 60 billion = 8.333333333333334
What is 64 billion divided by two thousand?
64 billion divided by two thousand is 32,000,000
What is 1.5 billion divided by 10 percent?
1.5 billion divided by 10 percent = 0.15
What is 1 billion divided into 8000 people?
1 billion divided into 8000 people = 0.000125
1 billion divided by 4500?
0.0002
