Which of the following processes are involved in formation of sedimentary rocks ?

  • Mountain building
  • Lithification
  • Fractional crystallization
  • None of these
  • Lithification
What causes an Earthquake ?
  • Movement of plates of earth, which float on the hot volcanic mantle below the Earth's surface

The reason behind the drifting away of continents is :

  • volcanic eruptions
  • tectonic activities
  • folding and faulting of rocks
  • All of the above
  • tectonic activities