Question

London smog’’ was primarily caused by

a. burning of coal b. burning of oil

c. eruption of a volcano d. none of these​

Answer 1

Explanation:

the answer is a burning of coal

Answer 2

'London smog' was primarily caused by the burning of coal ( option a)

• In 1952, lethal smog covered the city of London.
• It lasted for five days.
• It was caused by a combination of smoke and fog brought the city to a near standstill and resulted in thousands of deaths.
• But the polluted fog was an issue in London as early as the 13th century, due to the burning of coal, and the situation only worsened as the city continued to expand.
• It was caused by a combination of industrial pollution and high-pressure weather conditions.
• It was known as “pea-soupers” for their dense, yellow appearance, such all-encompassing fogs had become a hallmark of London by the 19th century.

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