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The outermost layer of Earth is the crust, then going inward in order are the lithosphere, asthenosphere, lower mantle, outer core, and inner core. The Inner core, Asthenosphere, and lower mantle are solid because the pressure acting on them is greater than the heat of it. The Outer core is liquid because it's pressure is lower than it's temperature. The Lithosphere is plastic-like, able to move, yet solid. The crust is a solid because it has little pressure acting on it and therefore has little heat.
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How is the composition and structure of the Earth determined?
The composition and structure of the Earth are determined through various methods, including seismic studies, rock samples, and geophysical surveys. Scientists use these techniques to analyze the Earth's layers, such as the crust, mantle, and core, and understand the distribution of different materials and structures within the planet.
What is the composition of each of the Earth's layer?
What is the composition of each layer of earth?
What Types of minerals forming in rocks making up earth's crust?
Mineralogical composition corresponds to the structures of the upper mantle olivine, pyroxene, spinel, and garnet.
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.
What will collide with earth that provides evidence of earth's inner composition?
Meteorites that originate from the asteroid belt can collide with Earth, carrying evidence of Earth's inner composition. By analyzing these meteorites, scientists can study the interior structure and composition of our planet.
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.
What mineral accounts for 35 percent of the Earth's composition?
Iron is the mineral that accounts for approximately 35% of the Earth's composition. It is a crucial element in the Earth's core and mantle, as well as in the composition of rocks and minerals throughout the planet.
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
How did stromatolites change the atmosphere of early earth?
Stromatolites, which are ancient microbial structures, played a crucial role in changing the atmosphere of early Earth by photosynthesizing and releasing oxygen as a byproduct. This oxygen accumulation in the atmosphere led to the Great Oxidation Event, which significantly altered the composition of the Earth's atmosphere from reducing to oxidizing.
Which metal has the highest percentage composition on earth?
Iron has the highest percentage composition on Earth's crust, making up about 5.6% by weight.
