Terance "the tower" Thomas weighed himself three times this morning. At 7:00 a.m. "the tower" weighed 295 pounds, at 7:02 he weighed 200 pounds, and finally at 7:04 he weighed 499 pounds. The scale "the tower" is using has issues of: A) reliability. B) triangulation. C) conceptualization. D) induction.