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  1. Biodiversity forms the basis for human existence in the following ways
    1. Soil formation
    2. Prevention of soil reosion
    3. Recycling of waste
    4. Pollination of crops
    Select the correct answer using the codes given below:
    1. 1, 2 and 3 only
    2. 2, 3 and 4 only
    3. 1 and 4 only
    4. 1, 2, 3 and 4
Correct Option: A

NA



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