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Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

The heliocentric and the geocentric models of the solar system included these central principles