Usercreation37801e6b7c7899b08a2a Question4

IQ Question. This question tests your IQ to find the best Usercreation37801e6b7c7899b08a2a 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