Soni noticed that some scientists have predicted that a global nuclear war

Soni noticed that some scientists have predicted that a global nuclear war on the earth would be followed by a servere ‘nuclear winter’ with devastating effect on life on the earth. She was interested to know the facts and so she went to her friend Moni. Moni explained her all the I concerning facts properly.
(a) What are the values displayed by Moni ?
(b) What might be the basis of this prediction ?

(a) the values displayed by Moni are :
(i) high degree of general awareness,
(ii) ability to convince someone, and
(iii) amicable nature.
(b) A global nuclear war would make the substantial parts of the sky getting covered by very minute particles. They will be responsible for preventing sun rays from reaching the earth for a very long time, resulting in ‘nuclear winter’.