Question detail
Explain the impact of photochemical smog on human health and the environment.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Common atmospheric pollutants and their sources
Question
Explain the impact of photochemical smog on human health and the environment.
Answer
Photochemical smog can cause respiratory problems, aggravate asthma, and reduce lung function in humans. It can also harm vegetation, reduce crop yields, and damage ecosystems by affecting plant growth and air quality.
Explanation
A strong answer should directly address the approved learning objective to explain that oxides of nitrogen can contribute to photochemical smog. This question belongs to Properties and effects of atmospheric pollutants within Common atmospheric pollutants and their sources, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to oxides of nitrogen, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misunderstanding Nitrogen Oxides
Students often confuse oxides of nitrogen with other pollutants and do not recognize their specific role in contributing to photochemical smog.
Focus on the unique properties and reactions of oxides of nitrogen, particularly how they react with sunlight and volatile organic compounds to form smog.
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