Concept explainers
The correct option for the statement “
Answer to Problem 10RAT
The correct option for the statement “Convection in the mantle is caused primarily by” is option (c).
Explanation of Solution
The convection is the phenomenon in which the heat is transferred from one to another place. It occurs only due to the differences in density and temperature. The difference in the density of the rocks is due to gravity.
The hot mantle rock rises and expands near the surface of the Earth due to less temperature than the mantle. The rock becomes less dense on expansion and denser on contraction.
The convection in the hot mantle occurs because the gravity pulls the denser rock downward as compared to less dense rock.
Conclusion:
Therefore, the correct option for the statement “Convection in the mantle is caused primarily by” is option (c).
Chapter 27 Solutions
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