Concept explainers
The correct option for the statement “At divergent boundaries, basaltic magma is generated by the”.
Answer to Problem 1RAT
The correct option for the statement “At divergent boundaries, basaltic magma is generated by the” is option (c).
Explanation of Solution
The coral reefs are found in the oceans and are made of calcium, so the basaltic magma is not generated by the melting of coral reefs.
The magma is found inside the Earth but the crust is the upper surface of the Earth, so the basaltic magma is not generated by the partial melting of the continental crust.
The magma is generated due to the high pressure and high temperature inside the earth. The high pressure and temperature are generated at the divergent boundaries, so the basaltic magma is generated by the partial melting of the mantle rock.
The subduction is the bending of the rocks due to the insertion of one rock plate below another plate, so the basaltic magma is not generated by the subduction of mantle rock.
Conclusion:
Therefore, the correct option for the statement “At divergent boundaries, basaltic magma is generated by the” is option (c).
Chapter 27 Solutions
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