What follows the description "natural sedimentation and clarification" in regards to reservoir quality?

The description “natural sedimentation and clarification” refers to processes that occur in a reservoir where particles suspended in water settle out over time, allowing for clearer water. This natural process contributes to the overall quality of the water in a reservoir. When sedimentation occurs, larger particulates and sediments accumulate at the bottom, leaving behind clearer water above.

Improving taste is a significant aspect of water quality that can result from effective natural sedimentation and clarification. As sediments and particulates are removed from water, undesirable tastes and odors, often associated with those particles, are also mitigated. This leads to water that is not only clearer but also more palatable for consumption. Therefore, improving taste directly correlates with the benefits of sedimentation and clarification, making it the correct response.