Usercreation397495a84e746855f3b4 Question4

IQ Question. This question tests your IQ to find the best Usercreation397495a84e746855f3b4 for you.

Why is it that when we are humming and then we plug our nose, our humming stops? Do people really hum through their nose, or their mouths?

Quantum Physics Good Point Dunno