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|Highscores (55 registered players)|
|1||sven-the-man2||100%||0:06.4 min.||1 Oct, '12|
|2||Jonas||100%||0:06.5 min.||29 Oct, '12|
|3||heateh||100%||0:07.6 min.||29 Jun, '12|
|4||András||100%||0:07.9 min.||22 Nov, '19|
|5||bigpapiiz12||100%||0:08.0 min.||19 Jan, '16|
|6||apokar||100%||0:08.1 min.||5 Jul, '12|
|7||RaVeNdAd||100%||0:08.3 min.||14 Oct, '12|
|8||joc3942||100%||0:08.3 min.||27 Oct, '12|
Click on some aquatic areas in the world referred to as 'dead zones' because of their low levels of oxygen and, consequently, marine life.
Often due to fertilizers and chemicals being carried down rivers.
This quiz has tags. Click on the tags below to find other quizzes on the same subject.oceans dead zones hypoxia