Q. Consider the following agricultural practices:
1. Contour bunding
2. Relay cropping
3. Zero tillage In the context of global climate change,
which of the above helps/help in carbon sequestration/ storage in the soil?

[A] 1 and 2 only

[B] 3 only

[C] 1, 2 and 3

[D] None of them

Answer: B