2. John used a syringe to demonstrate compressibility in different matter. Hub Plunger H -Point X Plunger Rubber cork a) Explain what happens when learners press the plunger when the barrel is empty... b) If the learners filled the barrel with sand, what was their observation when they pushed the plunger? ... c) What did the learners conclude from the observation in (ii) above? d) Name any three materials that will behave like water when put in the barrel. i) ......... ii) ........ iii) ......... e) Explain what will happen to the following substances when the rubber cork is removed; i) Water ii) Sand Explain your conclusion in (c) above.​