8th Class Social Science Sample Paper Social Studies - Sample Test Paper-10

  • question_answer Which of the following does not lead to the presence of toxic substances in the air of a city?

    A)  Presence of excessive numbers of cars on the road.

    B)  Presence of large number of factories with outdated technologies.

    C)  Incessant cutting of trees.

    D)  Burning of harmful chemicals by the industries.

    E)  None of these

    Correct Answer: C


You need to login to perform this action.
You will be redirected in 3 sec spinner