When will condensation occur? A. When the relative humidity drops below 50 percent
B. When sublimation does not occur
C. When the temperature drops below the dew point
D. When the humidity equals the relative humidity

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

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.