|With reference to the formation of soil, which of the following factors are significant?|
|1. Basic rocky material|
|4. Biological activities|
|Select the correct answer using the codes given below.|
A) 1, 2 and 3
B) 1, 2 and 4
C) 1, 4 and 5
D) All of these
Correct Answer: D
Solution :[d] There are five factors of soil formation and they are parent material, climate, organisms, topography and time. So, all given factors matches with the all given factors. Right answer is [d].
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