norlesh
  • Member for 7 years, 7 months
  • Last seen more than a month ago
  • Melbourne, Australia
Why is the ability to drink salt water so rare in land-animals?
6 votes

According to an answer here there is around 356,000 km of coastline on the planet. If we take an average human walking speed of say 5 km/h then our 5 minute walk takes us 0.417 km inland - giving ...

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