<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>
Answer:
I believe the answer is B. Curve of global winds caused by global rotation clockwise in Northern Hemisphere and counterclockwise in Southern Hemisphere.
<em>Hope this helps</em>
<em>-Amelia</em>
