Geography · Oceanography

What is a 'Datum Line'?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The mean elevation level of the land surface
2The line measuring the maximum depth of a river bed
3A horizontal datum reference from which heights and depths of the sea are measured✓
4The line measuring only the depth of the ocean floor

Correct answer

A horizontal datum reference from which heights and depths of the sea are measured

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