Chemistry
Grade-6
Easy
Question
An excess of_________ in the air causes respiratory problems.
- Carbon dioxide
- Nitrogen
- Water vapors
- Dust particles
Hint:
The respiratory disorder is a type of disease that harms the respiratory organs like the lungs, asthma, chronic bronchitis, and chronic obstruction pulmonary disorder(COPD) are some of the respiratory diseases caused due to infection, smoking tobacco, and other forms of air pollution.
The correct answer is: Dust particles
An excess of Dust particles in the air causes respiratory problems.
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