Read the following statements carefully and select the incorrect ones.

(i) Development of the fertile top-soil takes centuries, but it can be easily removed due to human activities such as over-cultivation, unrestricted grazing, etc.
(ii) Waterlogging results in soil salinity.
(iii) UV rays are responsible for the degradation of the ozone shield in the atmosphere.
(iv) Ozone present in the stratosphere acts as a shield absorbing UV radiation coming from the Sun.
(v) Global warming can be controlled by increasing the use of fossil fuels.