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The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?
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The receptor cells that convert light energy into neural signals are called
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The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? donāt forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
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