Marine geology on a World Map

Can you find the names of the 8 mid-ocean ridges and the 12 oceanic trenches shown on this world map?
The mid-ocean ridges are in brown and the oceanic trenches in blue
Quiz by piR
Last updated: April 9, 2021
First submittedApril 8, 2021
Times taken16
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Level 15
Apr 8, 2021
I did this quiz as part of Insaniot's Quiz Creation Challenge, thanks to him !
Level 38
Apr 9, 2021
Difficult, but excellent quiz! Nominated.

Good luck for the QCC!

Level 15
Apr 9, 2021
Thank you Baptiste !