It isn't easy to distinguish their features, and, if they have any gray or white hairs on their face, they often appear older than they are. (birchhaven.org)
Again, I wonder how these children, some who appear older and others younger, could fit in the same class and being taught the same things. (ghanapoliticsonline.com)
Again, the participants who were biologically older on the inside also appeared older to the college students. (sciencedaily.com)