If a tree falls in the forest and nobody is around to hear it, does it make a noise?
If a tree falls in the woods and nobody is there to hear it, does it make a sound?
If someone can only hear sound through vibrations, does it sound the same as how our ears hear sound? Do trees feel pain when they are cut down? Biology project the effect of sound on plant in detail? What's this tree called? What is this tree called? Does the peepal tree really emit oxygen at night in the absence of sunlight? Why do I hear a hissing sound in quiet areas? Can we have a round tree? What makes trees stand upright? Why don’t birds fall down when they sleep in the tree? If there is a tree and a man is running around that tree with 99% of the speed of light, then what will happen? Is a high pitch sound a loud sound? What kind of tree is this? What are the reasons why a tapping sound is heard in the ear? What happens when we hear a 1000-decibel sound? Why don't birds fall down while sleeping in trees? What would happen if I cut down a tree outside my house? Why does blowing over the hole of a bottle create a sound? Why do high-frequency noises hurt your ears? Can sound be seen? Can a deaf person hear what he speaks? My ears sometimes react as though I should be hearing something on top of the ambient noise already present, but there isn't. Am I the only one? When a tree's branches are touching a power line, how come you don't get an electric shock just by standing on the same ground as the tree? What noise does a fox make? Why are trees green? What do deaf people imagine hearing sound is like? What does the phrase "see the trees for the forest" mean? In layman's terms, what is a k-d tree and how does it work? My ears keep ringing and I hear a very high-pitched noise randomly. Is this something to worry about? When I light my fireplace I can sometimes (not always) hear a hissing sound.  The wood is dry and the flue is fully open.  What could it be?