Continental drift theory of Wegener – I by Dr. Lala Ram Yadav, Biyani Groups of Colleges

In this Video, Dr. Lala Ram Yadav explains about displacement or drift of continents according to A.B. Wegener. In carboniferous era whole land part of earth is combined named as Pangaea. …

Convection Current Theory, BA, MA Lecture by Dr. Abhishek Baldwa.

Arthur Holmes postulated his thermal convection current theory in the year 1928-29 to explain the intricate problems of the origin of major relief features of the earth’s surface.