An anhydrous sample of calcium sulfate weighs 3.54 g. When mixed with water, it hardens to form 4.49 g of plaster of Paris (CaSO4xH2O). b. What is the formula for the hydrate? (2 points) -use the (*) as your dot​

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

a physical change biology

explanation: