Letter d, because they are both alkali metals (group one)
Where’s the problem I know how to do it
<h2>Answer:</h2>
The<u> diffusion </u>occurs in room.
- <u>Oder molecules move from their highest concentration to lowest concentration.</u>
<h3>Explanation:</h3>
Diffusion is a process by which molecules move down their concentration gradient. The process does not require any membrane.
So corner with perfume has high concentration of odor molecules. Hence they move to other corner with low concentration of molecules.