how do rivers become larger as they travel across land?\ngroundwater rises, adding water to…

how do rivers become larger as they travel across land?\ngroundwater rises, adding water to rivers.\ntributaries combine, adding water to rivers.\nice sheets melt slowly, adding water to rivers.\nrainfall in an area increases, adding water to rivers.
Answer
Brief Explanations:
Tributaries are smaller streams or rivers that flow into a larger river. As a river travels across land, it often meets and combines with tributaries, which adds water to it and makes it larger. Groundwater rising, ice - sheet melting, and increased rainfall can contribute water to a river but are not the most common way rivers become larger as they travel across land.
Answer:
Tributaries combine, adding water to rivers.