Usercreation2609c91b59dc221431b0 Question4

IQ Question. This question tests your IQ to find the best Usercreation2609c91b59dc221431b0 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