שאלה | The dramatic air pollution in London in 1952:

The dramatic air pollution in London in 1952:

		Lasted for 3 months and cased the deaths of more than 10,000 people
		Lasted for 3 weeks and cased the deaths of more than 5,000 people
		Lasted for 3 years and cased the deaths of more than 5,000 people
		Lasted for 3 years and cased the deaths of more than 10,000 people