smog

environmental

microscopic

Particulates

wheeze

What was the killer smog of 1952?

How long was London covered in a cloud of poisonous air?

What happened to Brian Bone's dog on December 5th?

What was the main cause of air pollution in the 1800s?

Why is smog dangerous?

What made the smog worse than it was before?

How did England change after the killer smog of 1952?

Fog is made up of ____________________ drops of water trapped in the air.

. When fog mixes with smoke or other air pollution, it forms a dirty cloud called ____________.

This dirty air contains ____________________ that are bad for your health.

. On smoggy days in the early 1900s, schoolkids in London would ____________________.

In some places, air pollution is still a serious ____________________ problem today.

How did smoggy days in London affect schoolkids?

How many people were killed by the killer smog?

How did Brian Bone feel on day three of the Killer Smog?

Today, how many people die every year from breathing dirty air?

Why did the author include information on Brian Bone in the article?

Where in the article can you learn how many people died because of the Killer Smog?

Which of the following is not mentioned as a source of air pollution?