Question

Which of these would be a model of diffusion?

A. a student passes through a revolving door

B. two students pass by each other in a hallway

C. two students bump into each other in a crowded subway car

D. many students pass from a crowded room into an empty hallway

Answer 1

The answer to your question is D.
Because the students go from a crowded room and diffusion into a empty one

Answer 2

Diffusion can be described as the movement of molecules from a region of higher concentration to a region of lower concentration.

A model of diffusion could be many students pass from a crowded room into an empty hallway (option D).

• A model is used to describe/illustrate a particular event or situation.
• In this case, the crowded room is the region of higher concentration.
• And the empty hallway is the region of lower concentration.
• The molecules refer to the students.
• And their movement from the crowded room to the empty hallway refers to diffusion.

Learn more about diffusion: https://brainly.com/question/2135861