Where can most of the freshwater on earth be found?

Over 68% of the freshwater on Earth can be found in glaciers and icecaps.

If your looking for the remaining amount 30% is groundwater and .3% is found on rivers, lakes, etc.

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.