Consider the following statements :
(i) Zirconium - alizarins due is used for testing fluoride ions is water
(ii) Ozone layer is present in mesosphere
(iii) the poisonous gas present in the exhaust fumes of automobiles is Co
(iv) Taj Mahal is affected by `CO_(2)` gas
The correct statement are
A. (i) and (iii)
B. (i),(ii) ,(iii)
C. (i),(iii) and (iv)
D. all of these
