Consider the following statements regarding the agro-climatic zones of Bihar:\n\n1. Zone I (North West Alluvial Plain) receives the highest average annual rainfall among all agro-climatic zones in Bihar.\n2. Zone II (North East Alluvial Plain) is highly prone to floods and is characterized by acidic to neutral soils.\n3. Zone III (South Bihar Alluvial Plain) is characterized by lower rainfall and heavy clay soils.\n\nWhich of the statements given above is/are correct?
Options:
- A: 1 and 2 only
- B: 2 and 3 only
- C: 1 and 3 only
- D: 1, 2 and 3
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