Adding more tributaries to a local river basin can have what effect?

Adding more tributaries into river can change the physical characteristics of the river.

Explanation:

Tributary is the freshwater stream that falls into mainstream or river.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.