Question text
18 A sealed packet containing air and a snack is purchased at an airport. The sealed packet is taken on board an aircraft. During the flight the packet becomes larger. What causes the packet to become larger? A The density of the air inside the packet increases. B The mass of the packet increases. C The pressure of the air outside the packet decreases. D The volume of the air inside the packet decreases.
18 A sealed packet containing air and a snack is purchased at an airport. The sealed packet is taken
on board an aircraft. During the flight the packet becomes larger.
What causes the packet to become larger?
A The density of the air inside the packet increases.
B The mass of the packet increases.
C The pressure of the air outside the packet decreases.
D The volume of the air inside the packet decreases.
Select your answer: