Answer:
idk
Explanation:
im very sorry about this but i dont know the answer
Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
The ice stays on top because it is sold which means it is less dense than liquid (water)
Lipids/Fats have glycerol in addition to three fatty acids. The structure of the fatty acids determines whether or not the fat is considered saturated or unsaturated. Phospholipids have four major components: fatty acids, a glycerol component, and both a phosphate group and a polar molecule
Hoped this helped !