Two balloons are filled with air and are tied to a wooden rod. Balloon P is pricked through the cellophane tape. The figures show the situation before and after balloon P is prickled. What can you conclude from the above activity? (i) Air occupies space. (ii) Air has mass. (iii) Air has no fixed shape.

• A.  Only (i) and (ii)
• B.     Only (i) and (iii)
• C.     Only (ii) and (iii)
• D.     (i), (ii) and (iii)