Question

the word hydrant contains the root hydro. what does the root hydro mean? light fire water

Explanation:

The root "hydro - " is a common prefix in English. Words like "hydraulic" (related to water - powered mechanisms), "hydroponics" (growing plants without soil using water - based nutrients), and "hydroelectric" (generating electricity from water) all show that "hydro - " is associated with water. A fire hydrant is a connection point by which firefighters can tap into a water supply, further indicating that "hydro" means water.

Answer:

water