Regarding air, which of the following statement(s) is / are true (i) Air has no mass (ii) Air is needed for burning (iii) Air exerts pressure from all sides and on everything

• A.  (i) and (ii)
• B.  (i) and (iii)  
• C.  Whether evaporation depends on the material of the container
• D.  (i), (ii) and (iii)