Question

6. Genevieve put some water and air in a syringe as shown in the diagram below. She pushed the plunger down. direction of push plunger base of plunger air water sealed end

(a) Explain why Genevieve could push the plunger down. (1 mark)

(b) Genevieve realised that the plunger could not be pushed until its base touches the water. Explain why. (1 mark)

(c) Would the mass of air in the syringe be greater than, less than or the same as before after Genevieve pushed the plunger in? Explain your answer. (1 mark)

Help me as soon as possible.

Answer 1

Answer:

the process by which green plants turn carbon dioxide and water into food using energy from sunlight