question_answer

While lighting a candle, Paheli observed the following changes:

(i) wax was melting,

(ii) candle was burning.

(iii) size of the candle was reducing.

(iv) melted wax was getting solidified.

Of the above, the changes that can be reversed are:

A) (i) and (ii)                               

B) (ii) and (iii)  

C) (iii) and (iv)                            

D) (i) and (iv)