Teaching SUPER TET - UP Assistant Teacher Mock Test Series General Science Chemistry Chemical Reaction
Consider the following statement.
A: Our earth is protected by the Ozone layer by UV rays coming from the Sun.
B: In the process of protection of the earth by UV rays, a chemical change is involved.
1
A and B both are correct
2
A is correct, B is incorrect
3
A is incorrect, B is correct
4
A and B, Both are incorrect