ICSE Class X Biology 2018 Solved Papers

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Given below is a representation of a type of pollution.
Study the picture and answer the questions :

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Question : 26
Total: 97
Write one measure to reduce this pollution.
Solution:  
Use of unleaded petrol/Reduce the number of vehicles by practicing car pooling or public transport system/Using wet scrubbers or electrostatic precipitators in industries etc...... .
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