The main way in which a cataract can serve as a natural protective barrier is by reducing the amount of UV radiation that enters the eye from sunlight, which is also why it can lead to blindness, however.
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Religious dissident Roger Williams is banished from the Massachusetts Bay Colony by the General Court of Massachusetts. Williams had spoken out against the right of civil authorities to punish religious dissension and to confiscate Native American land
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Upwelling occurs when winds blowing across the ocean surface push water away from an area and subsurface water rises up to replace the diverging surface water. Major upwelling areas along the world's coasts are highlighted in red.
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