chicken or egg

can tell you about the tree for sure. Objects do not really make sound in the first place. If a tree falls, it only makes vibrations. The ears pick up the vibrations and turn them into what we know as sound. So sound really only exists in a person's ear. So if a tree falls with no ears around, then it doesn't make a sound, it only makes vibrations. If there are people there, it still doesn't make a sound. Only our ears would produce the sound for us.The thing about the egg will not be known. If a person goes by the Bible, then the chicken came first, because God created the animals first. If you believe in other creation theories, then maybe you believe the egg was first. That is all I know about the egg thing.