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Your tears have the same salt level as the ocean
Human tears contain about 0.9% salt - nearly identical to seawater, like your body remembers where life began.
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Geography changes everything
UK beef uses 67 litres per kilogram because cattle eat rain-fed grass. US systems using irrigated feed consume almost 2,000 litres per kilogram.
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The ocean holds 25 quadrillion tons
That's the estimated weight of all dissolved minerals in Earth's oceans. Every cubic mile contains about 120 million tons of salt.
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25-30 daily water encounters
Recent studies show young adults have approximately 25-30 direct water interactions daily – more than once every waking hour.