Multiple choice general knowledge science & technology Hygiastics Study of Agriculture Study of growing old Study of Health and Hygiene Study of Beauty Reveal answer Fill a bubble to check yourself C Correct answer Explanation Hygiastics is the science or study of health and hygiene practices. It derives from 'Hygieia,' the Greek goddess of health. This field focuses on cleanliness, sanitation, and disease prevention, unlike agriculture, aging studies, or aesthetics.