NTSE Practice Question Read the following statements.i. A few rivers in India are like sewers.
ii. Some cattle may die by feeding on plastic bags.
iii. Installation of waste water treatment plants have cleaned up most of the rivers in India.
iv. Sludge is the effectively utilized in the production of biogas.
Select the alternative which includes all correct statements.
(a) i, ii and iii
(b) i, ii and iv
(c) ii, iii and iv
(d) i, iii and iv