Solar Ultraviolet radiation is absorbed by:
A. Ozone layer
B. Carbon dioxide
C. Water vapor
D. Methane
Correct Answer: A (Ozone layer)
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A. Ozone layer
B. Carbon dioxide
C. Water vapor
D. Methane
A. Liver
B. Brain
C. Skin
D. Bone
A. Muscle
B. Neuron
C. Blood cell
D. Tissue
A. Cornets
B. Meteors
C. Moon
D. Asteroids
A. Vitamin C
B. Vitamin D
C. Vitamin E
D. Vitamin A
A. Pharynx
B. Larynx
C. Windpipe
D. None of the above
A. 17
B. 25
C. 37
D. 45