7. Boojho and Paheli were going to School when they were at traffic signal they
observed a truck honking and emitting lot of smoke.
Based on the above information answer the questions given below.
(Answer any 4 out of 5 questions)
(i) What driver'should do when vehicle is stopped at traffic signal (red)?
(ii) What should be done to avoid smoke emission from vehicles.
(ili) What are the harmful effects of burning fuel?
(iv) What value is exhibited by driver here?
(V) Mention two types of pollution occurring in the above situation
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(i) he should switch off the engine. it is necessary for conservation of petroleum and other natural gas.
(ii) smoke should be checked properly
(iii) it produced harmful materials like sulphades
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