Question

Diffusion is the process in which atoms and molecules move from an area where they are more concentrated to an area where they are less concentrated.

a) True
b) False

Answer 1

Diffusion is a passive transport process where substances move from an area of high concentration to an area of low concentration until equilibrium is reached, hence answer (a) True is correct.

Step-by-step explanation:

Diffusion is indeed the process in which atoms and molecules move from an area where they are more concentrated to an area where they are less concentrated, as the question states. This means that the correct answer to the question is (a) True. Diffusion is a passive transport process and does not require energy. Molecules will move in this way until there is an equal concentration or equilibrium throughout the space.

For example, when someone opens a bottle of ammonia in a room, the ammonia molecules will diffuse from an area of higher concentration (near the bottle) to areas of lower concentration (around the room). This process continues until the ammonia gas is evenly distributed throughout the room.

It should be noted that diffusion can also take place when substances move through a plasma membrane. In biological contexts, this includes the movement of small molecules and nutrients within cells and across cell membranes.