This question depends on what your definition of a sound is. When a tree falls it creates ripples in the air around it that spread out into a finite space. If there is no one/ nothing around, the ripple in the air cannot be translated into what we know as sound by the brain.
So if you mean...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.