Give the correct term for each of the following

1.2 meeting point of two river
1.3 entire area drained by a river and its tributaries
1.4 area where the river begins its flow
1.5 ridges separating river within the drainage basin
1.6 small rivers joining a larger river
1.7 area from which water flows into a dam
1.8 a river and the smaller river that join it.

1 answer

1.2 confluence
1.3 watershed or river basin
1.4 source or headwaters
1.5 divide or watershed divide
1.6 tributaries
1.7 catchment area
1.8 main river and its tributaries