Respuesta :
Answer:
Digesting a salad
Explanation:
All the other ones are physical changes because you're changing its form but not its chemical identity and not changing the substance. Digesting a salad is a chemical change because you're both changing its form AND its chemical identity
Digesting a salad is the answer, because when you mix a salad dressing the chemicals still remain , when you dice a onion it’s a physical change , when you prepare a salad everything chemically is the same but with digesting it chemically it changes while the enzymes break down your food please mark me brainliest