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  1. Biodiversity forms the basis for human existence in the following ways :
    1. Soil formation
    2. Prevention of soil erosion
    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: D

NA



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