Match the type of river to its best description

old rivers
young rivers
mature rivers

-have many tributaries

-have few tributaries

-have some tributaries

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Old rivers -have some tributaries

Young rivers  -have few tributaries  

Mature rivers  -have many tributaries  

Explanation:

A mature river has many tributaries draining into it, therefore the drainage volume is higher than that of any new river.  

While a young river having more gradient than the normal has few tributaries. It flows with a speed that causes degradation of the channel.

While an old river has some tributaries as it is mostly  flowing through the flood plains with high level of erosion.  

helicase, i think thats it

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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