Anabolism includes reactions in which a. ketone bodies are formed b. structural proteins are used as a potential energy source c. larger molecules or structures are built from smaller ones d. carbohydrate utilization increases

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

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.