Answer:
78.09% nitrogen
20.95%oxygen
0.03%carbon dioxide
0.93%other gases
this is the composition of air
it is essential for respiration
Explanation:
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Answer:
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Explanation:
Long-term exposure to polluted air<span> can have permanent </span>health<span> effects such as: Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of </span>diseases<span> such as asthma, bronchitis, emphysema, and possibly cancer.</span>
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