★ Human Eye and Colorful World Quiz
The refraction of light passed by the Earth’s Atmosphere having air layers of varying __________ is called atmospheric refraction.
A. optical densities
B. densities
C. volumes of air
D. winds
Select your answer:
Topics:
Cellular Transport and Metabolism Cell Structure and Function Concept Digestive System Medical Terminology Muscle Tissue ology & phobia History of Psychology Human Digestive System Epithelial Tissue Thyroid Disease Trauma Confusion, Dementia, & Alzheimers Disease Cell Bio Physical Activity Circulatory System and Nutrition Musculoskeletal DisordersOther quiz:
Lifestyle Diseases › ViewWhat is a controllable risk factor?
A. age
B. race
C. exercise
D. heredity
Bacteriology › View
Which one does not apply to Bdellovibrio?
A. Obligate aerobe
B. Attack gram-positive bacteria
C. Replicates in periplasmic space