Question

The increase in the concentration of CO2 in our environment in last fifty years; since 1960 is about–
(A) 20%
(B) 10%
(C) 14%
(D) 6%

Answer 1

Hey mate... The answer of this question is:
C) 14%

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (C) 14%

That's it..