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:
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PHE Nucleic Acids Immune Cells Faction Dyslexia History of Psychology Characteristics of Life Nervous / Sensory System Biology for Engineers Vision Cell - Fundamental Unit of Life Haematology Cellular and Sexual Reproduction Respiratory System Med Term Linked Gene Integumentary System: Skin DisorderOther quiz:
Kinetics › ViewWhat is activation energy?
A. The maximum amount of energy used
B. The minimum amount of energy required for a reaction to start
C. The energy of the reactants
D. The energy possessed by the products
Human Organs › View
What do I do? main function
A. Filters wastes out of the blood.
B. Produce offspring for the next generation
C. Covers and protects the body, Regulates body temperature.
D. Provides movement for the body
E. Provides framework and support for the body