(i) is observed as the National Pollution Prevention Day in India to mark the anniversary of the (ii) . Here, (i) and (ii) are

(i) is observed as the National Pollution Prevention Day in India to m

1.	(i) is observed as the National Pollution Prevention Day in India to mark the anniversary of the (ii) . Here, (i) and (ii) are
Answer» (i) is observed as the National Pollution Prevention Day in India to mark the anniversary of the (ii) . Here, (i) and (ii) are