Consider the following statements regarding the reconstruction of prehistoric climate and agriculture: 1. The history of climate and vegetation is reconstructed scientifically using pollen-analysis of plant residues. 2. On this basis, it is suggested that agriculture was practiced in Rajasthan and Kashmir as far back as 6000 B.C. Which of the statements given above is/are correct?

Options:

• A: 1 only
• B: 2 only
• C: Both 1 and 2
• D: Neither 1 nor 2

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