Which of the following is/are correct regarding Montreal Protocol?
(i) Persistent organic pollutants.
(ii) Global warming and climate change.
(iii) To control the emission of ozone depleting substances.
(iv) Biosafety of genetically modified organisms.

• A

  (i) and (iii)

• B

  (iii) only

• C

  (iii) and (iv)

• D

  (i) and (ii)