What fraction of an iceberg is hidden underwater?

A easy science trivia prompt from the quest1on archive. Try it first, then compare your answer with the explanation and related questions below.

Explanation

About 90% of an iceberg's mass is below the surface. This is where the phrase "tip of the iceberg" comes from — most of the problem is hidden from view.

Did you know?

About 90% of an iceberg's mass is below the surface. This is where the phrase "tip of the iceberg" comes from — most of the problem is hidden from view.

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