Answers

2015-08-24T15:41:14+05:30
Perennial river flow throughout the year where as non-perennial river only in season or 6 month
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2015-08-24T22:35:21+05:30
Perenial rivers are those which are rain fed and dosen't flow throughout the year.
non perenial rivers are those which originate from mountains and flow throughout the year
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