Choose the correct alternative from the following :
Assertion (A) : The use of chlorofluoro carbons is banned throughout the world nowadays.
Reason (R) : These chemicals cause skin cancer.
Option:
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is NOT the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
E. Both A and R are false
Answer: C . A is true but R is false.
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Justification:
The use of chlorofluoro carbons is banned nowadays because these cause holes in the ozone layer through which ultraviolet rays penetrate and may cause skin cancer.
