Question

look at the roots below. which one means water? bio hydro geo therm submit

Explanation:

The root "hydro" is commonly used in words related to water (e.g., "hydroponics" - growing plants without soil using water - based nutrient solutions). "Bio" means life (e.g., "biology"), "geo" means earth (e.g., "geography"), and "therm" means heat (e.g., "thermometer").

Answer:

hydro