Which is an effect of global warming?

Question

$\begin{array}{1 1}(i)\;\text{Increased capacity of air to accommodate moisture}\\(ii)\;\text{Altered wind pattern}\\(iii)\;\text{Increased frequency of events(flood,drought etc)}\\(iv)\;\text{Altered range of disease,vectors & path agents etc}\end{array}$ $\begin{array}{1 1}(a)\;\text{(i) only}&(b)\;\text{(ii) & (iv)}\\(c)\;\text{(i) &(ii)}&(d)\;\text{(i),(ii),(iii) & (iv)}\end{array}$