Your image isn't clear so I couldn't see the proper option but lucky for you I have seen this question before so I will tell you the answer.
The answer is option D (facilitated diffusion).
Answer:
e. nasal cavity
Explanation:
the immersive reader uses a, b, c, and d to speak, however the nasal cavity is not necessary when speaking. I'm not 100% sure though, lmk if I'm wrong pls
Germination I think that it’s