Source: The San Tan Valley, AZ weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency).
A hydra is a small multicellular organism in the genus of the same name. These tiny animals are found in fresh water all over the world, and they have a number of distinctive traits that make them interesting to scientists.
Definition Sentence Example. 1. hydrant (n) An upright water pipe, usually in a. street, with a nozzle to which a fire. hose can be attached. The firemen attached the fire. hose to the hydrant in order to. put out the fire. 2. hydrate (v) to absorb water; to supple with ample. fluid or water. Water is important to help keep. the skin hydrated.