question_answer

            Which of the following cause water pollution?             (i) Garbage thrown in rivers, lakes etc..             (ii) bead bodies of water animals.             (iii) Movement of air.             (iv) Factory waste released into water.            

A)              Both (i) and (ii)          

B)              (ii) and (iv)

C)              (i), (ii) and (iv)           

D)              All of the above