Answer: Photosynthesis. Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
The other person could be peer pressuring you and an internal factor could be a chemical in your brain
Psychology is the study of brain and how it works and responds to different things.
Cholecystitis is inflammation of the gallbladder. The gallbadder hold a digestive fluid thats released into ur small intestine
