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प्रश्न
Why is the upper mantle called the asthenosphere?
लघु उत्तर
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उत्तर
- Mantle lies below the crust.
- The upper portion of the mantle is called as asthenosphere, The word “astheno” is a Greek word meaning 'weak'.
- It is in liquid state and it is from this weaker zone that the molten rock materials i.e., 'magma’ find their way to the surface during volcanic eruptions.
- Epicenters of deep seated earthquakes are also found here. Therefore, the upper mantle is called the 'asthenosphere’.
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Interior of the Earth
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Tell whether right or wrong. Correct the wrong statement.
The core of the earth’s interior is made up of hard rock.
Name the main mineral constituent of the continental mass.
What are the main constituents of the core?
Answer in a word
What is SIAL?
Give reason
The Continental crust is less dense than the oceanic crust
Distinguish between SIAL and SIMA.
Which is called a blue planet?
What is the three concentric layers of the earth?
What is the radius of the earth?
Choose the odd one.
crust, magma, core, mantle
