1. What can make us sick?
2. What is smog?
3. What does ethanol-based gasoline make with pollutants?
4. What is leading cause of death among seniors?
5. Does pollution interfere with lungs ability to protect ourself from respiratory infections?
2. What is smog?
3. What does ethanol-based gasoline make with pollutants?
4. What is leading cause of death among seniors?
5. Does pollution interfere with lungs ability to protect ourself from respiratory infections?
That s great/ I like it/
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