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About 90% of the earths history.

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โˆ™ 2011-01-11 23:51:05
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Earthquakes

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How often do meteorites hit Earth

The adjustments of materials that follow a major earthquake often generate smaller earthquakes called

Most earthquakes are produced by the rapid release of which kind of energy stored in rock subjected to great forces

What does an earthquake's magnitude measure

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Q: How much of Earth's history is defined as the Precambrian Eon?
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Related questions

How much of earths history took place during the Precambrian Eon?

4 billon years i think


Where does much of your history of Precambrian rocks come from?

Ores mined from shields...


How much of the earths history does the pre-Cambrian era account for?

The Precambrian Super-Eon lasted from Earths creation 4.54 billion years ago until the Cambrian Period 542 million years ago. Some 3.998 billion years. This accounts for about 88% of Earth's history.


How much oxygen was there in the precambrian time?

0.1


How much of earth's history took place during the Precambrian Eon?

4 billon years i think


According to the precambrian rock record much of earths first free oxygen combined with?

Earth was formed somehwat less than 4.6 billion years ago. The Cambrian Era begins around 542 million years ago. Subtracting these times provides for a PreCambrian Era of around 4 billion years in length. This time period makes up around 87% of Earth's total history.


Why is the earths history divided into long units of time?

So you can understaned it much more better and think about it!


What can horseshoe crabs tell us about earths history?

They Can tell us about how much thought God put into animals


Why is the earths history divide into very long unit of time?

So you can understaned it much more better and think about it!


Why is earths history divided into very long units of time?

So you can understaned it much more better and think about it!


What have scientist inferred from fossil stromatolites?

Stromatolites were much more abundant on the planet in Precambrian times which means that fossils found around stromatolites are typically from the Precambrian era.


How much does the earths air weigh?

nothing the earths air does not have a weight!

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