Question

tell me then I say you'r intelligent​

Answer 1

Answer:

4.a) The use of persian wheel in irrigation.

b)The use of spinning wheel in weaving

c)The use of firearms in combat.

5) During fifth or sixth century the area of tamil nadu was opened up for large- scale cultivation. For irrigation, a variety of new methods were discovered In, many areas wells were dug.Huge tanks were constructed for rainwater storage.

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