2019 Year 12 IB Extended Essays

Tetrachemicals.com. (n.d). Chloride - An Essential Element . [online] Available at: http://www.tetrachemicals.com/Products/Agriculture/Chloride_- _An_Essential_Element.aqf [Accessed 22 Apr. 2019].

UNEP (2018). What Is Phytoremediation . [online] Available at: http://www.unep.or.jp/Ietc/Publications/Freshwater/FMS2/1.asp [Accessed 26 Nov. 2018].

Webster (1975). Bulrushes Being Used in Artificial Marshes to Filter Water. [online] Nytimes.com. Available at: https://www.nytimes.com/1975/03/09/archives/bulrushes- being-used-in-artificial-marshes-to-filter-water.html [Accessed 17 Nov. 2018]. WorldAtlas. (2018). What Are The Biggest Industries In Australia? . [online] Available at: https://www.worldatlas.com/articles/what-are-the-biggest-industries-in-australia.html [Accessed 19 Feb. 2019].

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