UPSC Ecology And Environment Ecology and Environment Question Bank Ecology And Environment

  • question_answer
    How is the oxygen cycle effected?
    1. Human activities
    2. Running of automobiles
    3. Consumption of fossil fuels
    Choose the correct code

    A) 1 and 2            

    B) 2 and 3

    C) 1 and 3            

    D) 1, 2, 3

    Correct Answer: D

    Solution :

    The oxygen concentration in atmosphere is 21%. The oxygen cycle is effected by human activities such as running automobiles and consumption of fossil fuels which release more carbon dioxide in the atmosphere.

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