Statement I : The process of decay and disintegration of rocks in situ is called weathering. Statement II : Weathering takes place both mechanically and chemically.

• Correct answer
  A

  Both the statements are individually true and Statement II is the correct explanation of Statement I.
• B

  Both the Statements are individually true but Statement II is not the correct explanation of Statement I.
• C

  Statement I is true but Statement II is false.
• D

  Statement I is false but Statement II is true.

Hence, the correct answer is option: 'A'.