Ozone layers absorb
A. Infrared rays
B. Ultraviolet rays coming from the sun
C. All radiations from the sun
D. Cosmic rays
Answer: Option B
A. Infrared rays
B. Ultraviolet rays coming from the sun
C. All radiations from the sun
D. Cosmic rays
Answer: Option B
The years 1700, 1800 and 1900 were
A. Leap years
B. Not leap years
C. Famine years
D. Years of natural calamities
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