সঠিক উত্তর হচ্ছে: আণবিক যুদ্ধ পরবর্তী সর্বাত্নক অন্ধকার
ব্যাখ্যা: Nuclear winter is the term for a theory describing the climatic effects of nuclear. war. Smoke from the fires started by nuclear weapons, especially the black, sooty. smoke from cities and industrial facilities, would be heated by the Sun, lofted into. the upper stratosphere, and spread globally, lasting for years. How cold is nuclear winter? They found average global temperatures could drop between 15º and 25º Celsius, enough to plunge the planet into what they called “nuclear winter”—a deadly period of darkness, famine, toxic gases and subzero cold.