Q1. Address the social, economic, environmental, and political issues regarding mangrove ecosystem in Australia? An instance to the many political issues would be: the green zone law set by the government prohibits anyone from entering or removing any living organisms of mangrove community in the zone to avoid its extinction. You should support the issues with statistics and facts.

Q2. Under constant erosion and weathering, the pyrites leech large amounts of sulfuric acid (H2SO4). The spoil banks are also mixed with large quantities of basic limestone and clay carbonates. What have to occur over time?