Below is a list of all of the sources and websites I visited during this phase: 

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• Oceans, Ridges and Trenches - Peter Aleshire 

• Creatures of the Deep: In search of the sea's 'monsters' and the world they live - Erich Hoyt

• David Attenborough - secrets of the deep https://www.youtube.com/watch?v=53igmq2ntKg

• National geographic

• https://www.livescience.com/16231-creepy-deep-sea-creatures-gallery.html

• https://www.britannica.com/science/deep-sea-trench

• https://www.whoi.edu/know-your-ocean/ocean-topics/seafloor-below/ocean-trenches/

• https://www.nationalgeographic.org/encyclopedia/ocean-trench/

• https://en.wikipedia.org/wiki/Mariana_Trench

• https://en.wikipedia.org/wiki/Oceanic_trench

• http://www.deepseachallenge.com/the-expedition/mariana-trench/

• https://www.buzzfeed.com/ishabassi/terrifying-deep-sea-creatures

• https://en.wikipedia.org/wiki/Challenger_Deep

• https://fivedeeps.com/home/expedition/#:~:text=The%20Five%20Deeps%20Expedition%20was,Molloy%20Deep%20in%20the%20Arctic.

• https://en.wikipedia.org/wiki/Farallon_Trench

• https://en-academic.com/dic.nsf/enwiki/3493020

• https://www.youtube.com/watch?v=7m42rZI3Djo

• https://oceanservice.noaa.gov/facts/bathymetry.html

• https://www.nationalgeographic.org/encyclopedia/bathymetry/

• http://www.sub-find.com/trieste-research-sub.html

• https://www.history.navy.mil/browse-by-topic/exploration-and-innovation/bathyscaph-trieste.html

• https://www.bbc.com/travel/article/20200719-hms-challenger-the-voyage-that-birthed-oceanography

• https://divediscover.whoi.edu/history-of-oceanography/the-challenger-expedition/

• https://www.challenger-society.org.uk/History_of_the_Challenger_Expedition

• https://www.nationalgeographic.org/article/plastic-bag-found-bottom-worlds-deepest-ocean-trench/

• https://www.theguardian.com/environment/2018/dec/20/plastic-pollution-mariana-trench-deepest-point-ocean

• https://www.bbc.co.uk/news/science-environment-12183244

• https://www.climatecentral.org/news/human-activities-toll-in-deep-ocean-21527