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Q: How long has earth had todays composition?
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Related questions

What is the composition of each of the Earth's layer?

What is the composition of each layer of earth?


What is mercury's composition compared with earth?

The composition of mercury is solid as well as earth.


How is the composition of the moon different from Earth's composition?

the moon has a different iron level than the earth because the moon was not formed from the earth .


How does the composition of earth atmosphere differ from the composition of the atmosphere of the gas giants?

earth has people in it's atmosphere


Will The Earth Blow up yesterday if todays yesterday?

no never


Does the composition of the Earth affect the motion of the Earth?

Yes. The effect of gravity on the Earth, and of Earth on other celestial bodies could be very different if the composition of the planet was different.


Why is the chemical composition of earth atmosphere important?

The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.


Why is chemical composition of earths atmosphere important?

The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.


Why is earths composition of earths atmosphere important?

The Chemical Composition of the Earth's atmosphere is important because it holds the Earth together.


What accounts for 35 percent of the earth's composition?

No *mineral* accounts for that much of Earth's composition, though the *element* iron makes up 32-35% of the mass of Earth


What would you think have happen the effect if the composition of the earth is the opposite of current composition?

uhhh??


The composition of the moon mostly resembles?

The composition of the moon mostly resembles the Earth's mantle.