Therefore, the independent variable was and the dependent variable was sugar concentration
pressure
solubility
temperature

1. they vary with a higher number because boiling is way hotter than melting

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   the answer is c hope i'm right