<span>Most islands within Oceania have tropical humid climate.Most of the islands will have tropical climate because the monsoon winds will change direction according to the seasons .Then it is also located in eastern and western hemispheres.</span>
<span>The phosphate enters the ecosystem and becomes tied up in the biogeochemical system where it is recycled. The rapid growth of aquatic vegetation and/or increase in the algal population can cause the death and decay of vegetation and aquatic life because of the decrease in dissolved oxygen levels.</span>
