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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Mayank vedwal Vedwal Best Answer
Ans 1) Option A and C are correct. Both option are same and saying same thing. Ans 2) Conduction... because in magmatic intrusion the wall rocks get metasomatise by hydrothermal fluid which causes wall rock alteration in rock by the process of conduction. since the rocks are conductive and heat can flow in rock by conduction so conduction is best mechanism for heat flow in wall rock.