Match the column I with column II and choose the correct option from the codes given below: Column I Column II P. Digestion of food in our body (i) Fast change Q. Earthquake (ii) Natural, desirable change R. Falling of stone (iii) Natural, undesirable change S. Change of seasons (iv) Slow change

• A.  P-(iv), Q-(ii),R-(iii),S-(i)
• B.  P-(iii), Q-(iv), R-(ii), S-(i)
• C.  The opening of a soda bottle with production of gas
• D.  P-(iv), Q-(iii), R-(i), S-(ii)