10 - Geography - Lesson 6. Environmental Issue - TRB TNPSC

TRB TNPSC 10TH 11TH 12TH TET PGTRB Study Materials Free Online Tests Available Here.

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Subam Matrimony


  1. Hello Sir/madam

    There are some mistakes taken place in your online test on 10th std social science geography lesson: Environmental issue

    question :
    The main cause for natural air pollution
    answer (marked in book): volcanic eruption
    answer (wrongly marked in test) vehicular emision
    so i request you to correct this errors

    thank you

    1. answer (wrongly marked in test) vehicular emision is correct


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