In 1952; London saw deaths due to air pollution from

The 1952 Great Smog caused deaths in London; this question tests environmental history. Not mere mist or fog; smog was deadly; B is correct. Understanding pollution enhances environmental awareness; this is vital for exams or ecological discussions; the smog led to air quality laws; knowing events aids in historical analysis; accurate knowledge ensures clarity in conversations about environmental health or urban history; staying informed strengthens general knowledge; B aligns with the historical event.