Question

Which of these are biodegradable pollutants?

(i) Pesticides (ii) Mercuric salts

(iii) Sewage (iv) Radioactive wastes

• A. (i) and (ii)
• B. (i) and (iii)
• C. (i), (iii) and (iv)
• D. (iii) only

Answer 1

Answer: (D)

(iii) only

Answer 2

: Only sewage is biodegradable