Which of the Following Is Not an Example of How

Which of the following is not an example of how surface water functions to serve humans?

A) Coastal waters serve as breeding areas for many species of plants and animals critical to humans.
B) Oceans support a great diversity of plant and animal species.
C) Pollution can disrupt the natural balance of aquatic ecosystems.
D) Water is continually cycled and renewed.
E) Coral reefs are especially sensitive to changes in their immediate environment.