Why Is the Ocean Salty?

Have you ever accidentally swallowed seawater and tasted that horrible salty flavor? But have you ever stopped! Swipe to see →

WHY IS THE OCEAN SALTY? THE ORIGIN OF...

Have you ever accidentally swallowed seawater and tasted that horrible salty flavor? But have you ever stopped to think: where does all t...

📊 HOW MUCH SALT IS IN THE OCEANS?

Before understanding the "why," let's size up the "how much":

🌧️ WHERE THE SALT COMES FROM: THE TH...

This is the most important mechanism and has been going on for 4 billion years:

⚖️ THE BALANCE: WHY DOESN'T THE SEA K...

If salt has been entering the oceans continuously for 4 billion years, why isn't salinity at 50% or 90%? Because there's a dynamic equili...

🌍 IT'S NOT ALL THE SAME: SALINITY VA...

The Dead Sea is so salty that it's impossible to sink — you float like a buoy. But the high salinity also means no fish or aquatic plants...

🐟 HOW DO MARINE ANIMALS SURVIVE THE ...

Marine animals live in an extremely salty environment. Osmosis should dehydrate them (water migrates from less salty to more salty). How ...

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