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The poisonous dark cloud is called Killer Smog because it killed over 1,000 people and because it is fog and smoke.

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The Smog was named killer smog because the smog killed and hurt people. the article says,"It was one of the most deadliest environmental disasters ever." It lasted for 5days.P.S. I think it would be scary for darkness to cover the sun up so quickly.

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The poisonous black cloud of 1952 became known as the killer smog  because in the text it says that many people died because of air pollution caused from burning coal that polluted the fog in London.The Polluted fog is poisonous and

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I think it was called the killer smog because the text says "it was black and poisonous it had killed more than 4 thousand people and 8 thousand more would die."

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I think the poisonous black cloud became known as the killer smog because the air pollution from the factories and from burning coal made the air turn black. The text says,"It became known as the killer smog in 1952, it was one of the deadliest environmental disasters ever.

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I think the killer smog gets it's name from all the people it's killed or gotten sick because the text says,"about 7 million people died from exposure to dirty air."

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I think the black poisonous cloud became known as the Killer smog of 1952 because the cloud had chemicals that could kill you. The text says "It was black and poisonous." The text also says, "The air smelled

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The black poussin clouds were called the smog because the smoke and the fog combined together it makes smog. The text says "The dark cloud seemed to appear out of nowhere. It was black and poisonous.

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I think the poisonous black cloud was called the Killer Smog.The Killer Smog was caused by air pollution and smokestacks smoke. The text says,

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I think the poisonous black cloud became known as the killer smog because the the stuff that is in the are

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I think the poisonous black cloud became known as the killer smog because it was deadly and dark. The text says,"It became known as the killer smog in 1952, it was one of the deadliest environmental disasters ever."

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Nate grigson

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The Killer smog is vary dangerous

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K

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The killer smog was dangerous because the killer smog killed thouson of people.
"The smog finally cleared on the fifth day. But by then more then 4,000 people had
Died."

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It became the killer smog because every smoke stack caused it to happen by all the smoke. The smoke gathered up into one giant cloud and made it midnight from day. The cloud was poisonous and killed a lot of people in London Englend

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It became known as The Killer Smog because it was dangerous. It was dangerous because it killed alot of people because it started out fog and it was cold so people burned coal. But smoke from the chimneys and smoke stacks made the fog more dangerous. It got darker and people crashed their cars and got lost and fell it the river. The text says,

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I think that the poisonous black fog became known as the killer smog because it was black and had air pollution and the air made people die over 4,000 people who died because of lung damage from the air pollution of 1952. The text says " The dark clouds seem to come out of nowhere" and the other text says "

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Killer smog was a danger to everyone in London, England. It started as a light fog then grew and grew and grew entil it filled the city. people started to get sick, lost and all of it killed

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It became known as the killer smog because the dark cloud was very poisonous and it killed lots of people and the smog was thick and hard to see through it

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I think the poisonous cloud became known as the killer smog because the day it came they didn't know what it was but then it started killing people and that's why it got the word killer in front and smog is the name of black poisonous fog.

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The smo

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The killer smog was dangerous because the

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I think the poisonous cloud was called the Killer Smog because it was dangerous to other people. It was dangerous to other people because

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The cloud was poisonous and black five days t

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A dark black poisonous cloud apeared out of nowere

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dark poisonous clouds were known as the killer smog in 1952 at London and England. For 5 straight days the smog surround London and England. The article also says, " It was one of the deadliest environmental disasters ever". People would collapse out of nowhere in the streets. Kids wheeze and cough at school. The killer smog in 1952 was so terrible.