Cellulose is found throughout the cell walls of plant cells. cellulose makes cell walls rigid, which indicates that cellulose is a. carbohydrate b. lipid c. nucleic acid d. protein

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.