Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both.

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.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

well, i believe that the answer is 2. : 3

its probably to later but whats the question