Intro
You breathe every day. But would you pay for oxygen? Oxygen bars sell pure, clean oxygen. This stuff isn’t average oxygen. It is cleaner and healthier than the oxygen in the air. Some people even say that it is very good for your immune system.
Vocab
Example The Johnsons are an average American family with two kids and a dog.
Example His immune system was weakened by traveling, and he almost caught a cold.
Quiz
Discussion
Would you pay to breathe? How is the air quality in your city?
Comments
Brazil |
Iran, Islamic Republic Of |
Portugal |
Taiwan |