San Tan Valley 10 Day Weather. 1  Wednesday:The San Tan Valley forecast for Apr 19 is 83 degrees and Sunny. There is 20 percentage chance of rain and 4 mph winds from the West-Southwest. 2  Thursday:The San Tan Valley forecast for Apr 20 is 77 degrees and Sunny. There is 11 percentage chance of rain and 7 mph winds from the West.
Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria). The body of such an organism consists of a thin, usually translucent tube that measures up to about 30 millimetres (1.2 inches) long but is capable of great contraction.
For example, the Greek root hydra-means that it has to do with water; can be found in the words ''hydrate'' and ''anhydrate.'' Answer and Explanation: A hydrate is any substance that has been chemically combined with water. Hydrates can be heated so that the water will boil off. The completely waterless substance left at the end of the process is an anhydrate. So a hydrate contains water, and an anhydrate does not. Learn more about this topic: