Fill in the Blanks (Reading & Writing)

Road salt spread on icy streets each winter eventually —washeswashwashingwashed into nearby rivers and streams. Once dissolved, chloride does not easily —break downbreaking downbroken downbreaks down from the water, and elevated levels can —harmharmfulharmingharmed aquatic life, particularly sensitive fish species. Some councils have begun —applyingapplyappliedapplication smaller quantities or switching to alternative de-icers to limit this damage.