Final answer:
Special districts are units of government that have specific functions and are separate from county and city governments.
Step-by-step explanation:
A student has asked about the type of districts such as water or utility districts, housing authorities, soil and water conservation districts, and hospital districts. These districts are known as special districts.
Special districts are units of government that have specific functions and are separate from county and city governments. They are growing in numbers, especially in heavily populated areas.