If a study talk about how vegans and vegetarians have low intake of nutrients then what would be the if independent, dependent, and control variable if they were to test participants by making them write down everything they ate over a four day period?

i dont know

explanation:

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'm pretty sure it is letter c.) car