4. This have caused acute health problems such as colds, coughs, rhinitis; and chronic health problems such as
bronchitis, an inflammation of bronchial tubes; mucus build-up, difficulty in breathing, emphysema, an
incurable disease characterized by the breakdown of air sacs, and dreadful lung cancer.
A. Air Pollution B. Water Pollution C. Land Pollution D. Noise Pollution
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Answer:
A. Air Pollution
Explanation:
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