The dust storms originating in Rajasthan in May and June months are caused due to
(A) origin of convectional currents at few places.
(B) Aravali hills are parallel to southwestern winds
(C) origin of fast speedy easterly winds
1
(A) and (C)
2
(A), (B) and (C)
3
(A) and (B)
4
Only (A)