Example image of eyePlorer eyePlorer map for 'Sound': Absolute threshold of hearing Frequency Gas Liquid Pressure Solid Sound (disambiguation) Wave Hertz Species Antipredator adaptation Communication Navigation Predation Sense Atmosphere Earth Earthquake Fire Hydrosphere Phenomenon Rain Wind Wind wave Bird Frog Mammal Marine mammal Organ (anatomy) Bird vocalization Speech Human Music Radio Telephone Plasma (physics) State of matter Transmission medium Vacuum Compression Longitudinal wave Transverse wave Mechanical equilibrium Physical compression Rarefaction Shear stress Deformation (mechanics) Amplitude Direction (geometry) Euclidean vector
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