How are the convectional currents in the mantle initiated and maintained?

Solution

The convectional currents in the mantle are generated due to radioactive elements causing thermal differences in the mantle portion. The currents move in radial direction and develop in cell patterns.

Some More Questions From Distribution of Oceans And Continents Chapter

Who first propounded the theory of continental drift and when?

Mention the major plates of the earth.

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Distribution Of Oceans And Continents

How are the convectional currents in the mantle initiated and maintained?

Some More Questions From Distribution of Oceans And Continents Chapter

Who first propounded the theory of continental drift and when?

Mention the major plates of the earth.

Which plates are composed of mainly oceanic crust ?

In which two components Pangaea was split ?

What is polar wandering ?

What caused rapid uplift of the Himalayas?

Define sea floor spreading.

Name the southern continent which broke from Pangaea.

Centres of volcanic activity.

Periodic change in the position of magnetic pole.

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