Atmospheric layers, lecture by kalpana depan, Biyani Group of Colleges

It is part of lecture presented by kalpana depan, Asst. Prof. in Social science deptt. at biyani girls college on behalf of gurukpo.com. This lecture is atmospheric layer. One earth is …

Joy Gardener–Plate Tectonics( BA, MA)

Lecture on Plate Tectonics and Continental drift theory by Joy Gardner.