19. Blast fishing is the practice of using explosives to kill fish for easy collection. This illegal practice, can be extremely destructive to the surrounding ecosystem
20. Building in or near to the ocenas will pollute the sea and the corals will be damaged. Peolpe who live in this houses will through all of their rubish to the sea which will also have an effect on the creatures
21. Tourism, in coastal areas can affect coral reefs in various ways: tourists like to buy souvenirs, threfore shells and things belonging to the ocean will be selled, some practice snorkeling, which although it is forbidden to take anything away mort do, creams and skin oils will pollute the ocean.
22. At this stage, the theme of pollution is quite clear, ships pollute the sea, houses pollute the sea…