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Why doesn't the earth's iron core melt?
The Earth's iron core doesn't melt despite its extremely high temperature and pressure because the pressure from the weight of all the material above it raises its melting temperature significantly. This results in the iron core remaining solid even at temperatures well above its melting point.
What mechanical latyer lies above the core?
mantle
Why is the center of the earth over 5000C?
Heat from inside the Earth is called geothermal (Earth-heart). The heat is produced by the radioactive decay of elements such as uranium and thorium in the core and mantle. This raises the core's temperature to over 5000 oC.
What percentage of earth's surface is above sea level?
Approximately 29% of Earth's surface is above sea level.
How high does the atmosphere go above the Earth's surface?
The atmosphere extends about 600 kilometers (373 miles) above the Earth's surface.
Why is the core solid if it is the hottest layer of earth?
The inner core is under enormous pressure, which raises the temperature needed to melt it above its actual temperature.
What cause convention currents in mantle?
the heat in the core raises and heat raises to a cold spot. so the convection currents raises to the surface of the earth.
Why doesn't the earth's iron core melt?
The Earth's iron core doesn't melt despite its extremely high temperature and pressure because the pressure from the weight of all the material above it raises its melting temperature significantly. This results in the iron core remaining solid even at temperatures well above its melting point.
Is the mesosphere below or above the earth?
its above the earth. it is one of the layers of the atmosphere.
How far does the sky go above the Earth?
The sky above the Earth extends into space, which is about 62 miles (100 kilometers) above the Earth's surface.
What is the layer of the earth that lies above the mantle?
The Earth's crust lies above the mantle.
Where are young foxes born?
A vixen raises its young foxes in an earth.
How does global warming threaten the structure of the earth?
Global warming will not threaten the structure of the earth. It will raise sea levels, and it will change croplands into deserts, and vice versa, but the earth's structure will not change.
What is The study of the earth's physical structure and history is?
Astronomy This is the study of the earth and physical structure and history
What type of structure does the earth have?
The Earth is an oblate spheroid.
What forces affect rocks above the earth's surface?
The main force that affects the rocks on the earth's surface is heat and erosion. Erosion causes rocks to have landslides and heat changes their structure causing them to take place as different structures.
Describe the structure of the earth?
The structure of the earth can be described by either the rheological or chemical properties. The structure of the earth is composed of the atmosphere, crust, continent, ocean, hydrosphere, ice cap, mantle, and the asthenosphere.
