Biology

The correct answer is: A.It has become so polluted that it can no longer support life.

When people refer to the "death" of a lake, river, or water body, they are typically describing a situation where the water body has been so severely polluted or degraded that it can no longer support the plants, animals, and other forms of life that it once did. This can happen due to factors like chemical pollution, excessive nutrients (eutrophication), or the destruction of e...