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Coral reefs protect themselves from excessive sunlight by releasing fluorescent proteins that act as natural sunscreen. This adaptive mechanism allows them to thrive in shallow tropical waters while maintaining their delicate symbiotic relationships with algae.
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A long time ago, the Empress of China ordered a great wall be built to protect her people from any attack or invasion. However, one day the Huns invaded China. In order to protect her people from further invasion, she quickly summoned her Advisor to make a decree. Her country needed more men to join the army and so she went out quickly to inform her advisors.
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