Question

W͙h͙a͙t͙i͙s͙ t͙h͙e͙m͙a͙i͙n͙r͙i͙v͙e͙r͙t͙h͙a͙t͙b͙r͙e͙a͙k͙s͙ u͙p͙i͙n͙t͙o͙s͙t͙e͙a͙m͙s͙?

Answer 1

river mouth or tributary

Answer 2

The main river that breaks up into steams are "River mouth or Tributary".