Metamorphic Rocks Lecture by Dr. Abhishek Baldwa

Metamorphic rocks are those rocks which have been changed wither in form or composition without disintegration. Physical metamorphism pertaining to change in text oral composition of the rock and chemical metamorphism …

Earthquake Lecture by Dr. Abhishek Baldwa

Earthquake is a violent tremor in the earth crust, sending out a series of shock-waves in all direction from its focus or place of origin. Three types of seismic waves as …