HardNature
"I am where the river surrenders to the sea. I am neither fresh nor salt. I am home to more life than almost anywhere on earth. What am I?"
Answer
An Estuary
Explanation
An estuary is where a river meets the sea, creating a mixture of fresh and salt water. This brackish environment is one of the most biologically productive on Earth, supporting huge populations of fish, birds, and invertebrates.
This is a hard riddle in the Nature category — Riddles about the natural world, animals, weather and geography.
Tags:geographynaturewater
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