Well, It cannot be A. as the trachea is the windpipe, so its not separated.
I think your answer is definitely C. because that says exactly what the nose does so it makes it true and the other ones are false.
Hope I helped :)
To aid the self-monitoring process I think because if you have the deadline you will make it a priority to get it done befor the deadline. you are making sure your getting it done befor the deadline
Answer:
everybody does big brain right there
