Think you are asking about nij&ryoti system, So here is the answer
ryoti system was the type of indigo cultivation in which planters provided the seeds and drill and the cultivators sowed the seeds and look after them.
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Answer:
made soil dry
Explanation:
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The answer is A: corn.
Corn is not a local source of food grown in the Pacific Coast.
150k-170k years of prehistory and around 30k years of history; The question is essentially asking how long humans have existed vs. how long humans have recorded data about their existence.