Which item or items may contribute to asthma?
2 answers:
Answer: ozone and particulate matter
Explanation: Cause i took the cursed text XD
The 2nd option carbon monoxide
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I think its Affected by several external factors
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Right atrium, right ventricle, left atrium, and left ventricle.
That impossible so don't worry about that
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amebic dysentery ( mode of transmission ) :ingestion of food contaminated