What causes asthma?

Carbon monoxide, sulphur dioxide, SPM, lead and benzene

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Solution

The correct option is A Carbon monoxide, sulphur dioxide, SPM, lead and benzene
The second paragraph of the passage talks about the pollution causing asthma. So, the correct option is A) carbon monoxide, sulphur dioxide, SPM, lead and benzene.

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Similar questions

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What causes asthma?

The correct option is A Carbon monoxide, sulphur dioxide, SPM, lead and benzeneThe second paragraph of the passage talks about the pollution causing asthma. So, the correct option is A) carbon monoxide, sulphur dioxide, SPM, lead and benzene.

The correct option is A Carbon monoxide, sulphur dioxide, SPM, lead and benzene
The second paragraph of the passage talks about the pollution causing asthma. So, the correct option is A) carbon monoxide, sulphur dioxide, SPM, lead and benzene.