Features a polluted reef. Corals can be killed if the lagoon or the coral reef is badly polluted by sewage. SL173/14 SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Wed, 10/07/2015 - 02:56 PEIN Date Modified Mon, 02/03/2020 - 20:44 PEIN Notes Slide 14 of 80 Record id 76958 Publication Date 1986