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A child with a hearing impairment wears a hearing aid (as noted in his left ear).
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Lens
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations