Why is sea water salty?

Why is sea water salty?

Sea water is salty because rain erodes rocks on land, carrying minerals like sodium and chloride into rivers, which flow into the ocean. Over time, these minerals accumulate, making the sea salty.

Why It Matters

This fact belongs to the general category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.

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