![Why Is the Ocean Salty but Rivers Aren’t? [ID0804]](https://image1-ap-japan.cloudokyo.cloud/image/v3/4e/2a/42/4e2a422e-2078-4aef-86ca-5725cf412447/672.webp)
Why Is the Ocean Salty but Rivers Aren’t? [ID0804]
14 Video Views·Feb 8, 2026
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