Answer:
Great smog of 1952 was caused by thick smoke released from industries that later got dispersed to the entire city by the high pressure weather condition thereby causing deaths of many.
Step-by-step explanation:
The cause of Great smog of 1952 in London was due to the combined effect of air pollution caused during industrial revolution (mostly arising from the use of coal) and high-pressure weather conditions thereby causing several deaths. It resembles just like smoke-like pollution and was very toxic. It not only effected animals but animals too. It covered London city for 5 days.