Select the most appropriate option to fill in blank number (4).
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. moral.
Let's have a look at the meaning of the given options:-
- dubious- not sure or certain.
- pious- having or showing a deep belief in religion.
- urgent- needing immediate attention.
- moral- concerned with or relating to what is right and wrong in human behaviour.
As the safety of the environment is concerned with every human hence, it will be considered as the 'Moral duty".
Hence, the chosen option will be correct.