Meaning: Breathing polluted air can lead to health problems such as asthma and bronchitis.
Choice of Words: Polluted air is air that is contaminated with harmful substances. Respiratory problems are conditions that affect the lungs and breathing.
Alternative Expressions
Dirty air can make it hard to breathe.
Meaning: This means that breathing dirty air can make it difficult for our bodies to take in oxygen and get rid of carbon dioxide.
Choice of Words: **Dirty** is another word for polluted, **air** is what we breathe, and **breathe** means to take in air and let it out. **Hard** means difficult.
Bad air can hurt our lungs.
Meaning: This means that breathing dirty air can damage our lungs and make it hard for us to breathe properly.
Choice of Words: **Bad** is another word for polluted, **air** is what we breathe, and **lungs** are the organs in our chest that help us breathe. **Hurt** means to cause pain or damage.