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प्रश्न
The continents are placed above the oceans.
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उत्तर
The density of continents is lesser than the layer supporting the ocean beds, so the continents came floating upwards at the time of the formation and solidification of the earth, as the lighter things come upwards floating over the heavier things i. e. Sial is lighter than Sima
संबंधित प्रश्न
Name the sources of information about forces operating inside the earth.
Name the three layers of the earth’s interior.
Where is asthenosphere found?
Give a geographical reason for the following:
Temperature starts rising gradually towards the interior of the earth.
There are two transitional zones between the two consecutive layers of the interior of the earth. Name them and state their chief characteristics.
“Even when the Earth is spherical, it appears to be flat.” Discuss.
______ layer is made up of liquid iron.
What is SIAL?
Give reason for the following:
The Earth’s gravitational force
______ is a vent (or) and opening on the surface of the Earth crust.
