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Class 12 • Physics • Chapter-8
EM waves
Question 224 of 236
224
Medium
NEET
2001
Biological inportance of ozone layer is
Choose the correct answer:
A
it stops ultraviolet rays
B
ozone layer reduces green house effect
C
ozone layer reflects radio waves
D
ozone layer controls O 2 /H 2 ratio in atmosphertte.
Select an answer first
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