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.
Options
(a)1, 2 and 3 only
(b)2, 3 and 4 only
(c)1 and 4 only
(d)1, 2, 3 and 4
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