7th Class Science Sample Paper Science Sample Paper - 2

  • question_answer
    People say that nothing goes waste in a forest. Can you explain. How?     

    Answer:

    (i) Dry leaves and remains of dead animals are converted to a dark coloured substance called humus. This provides nutrients to the plants.
    (ii) Dead animals become food for vultures, crows, jackals and insects.
    (iii) Broken branches of trees are used as fuel by the people living in the vicinity of the forest.
                    


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