1.

“World Hydrography Day” was recently observed on June 21. What was the theme this year?

A. Hydrographic information driving marine knowledge
B. Bathymetry - the foundation for sustainable seas, oceans and waterways
C. Hydrography - enabling autonomous technologies
D. Mapping our seas, oceans and waterways - more important than ever
E. None of these
Answer» D. Mapping our seas, oceans and waterways - more important than ever


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