Saudi arabia is the world's largest producer of desalinated water. there are several desalination centers around the country, and more are being constructed. other middle eastern nations have started desalination programs—removing the salt from water to make it drinkable—but none have invested as much as saudi arabia.

Which of the following statements proves that scientific knowledge changed due to the discovery of the fossil of a hadrosaur in north dakota? hadrosaurs were better runners than earlier thought. hadrosaurs had no pattern on their skin as expected. the length of the hadrosaur was shorter than previously thought. the muscular structure of hadrosaurs was less developed than expected.