Question

How do rivers become larger as they travel across land?

Groundwater rises, adding water to rivers.
Tributaries combine, adding water to rivers.
Ice sheets melt slowly, adding water to rivers.
Rainfall in an area increases, adding water to rivers.

Answer 1

Tributaries combine, adding water to rivers.

hope this helps you

Answer 2

How do rivers become larger as they travel across land?

Tributaries combine, adding water to rivers.

A tributary is a stream that flows into a larger river. Small streams from around an area combine together to form a bigger tributary that eventually falls into rivers. This adds water to the main river, finally leading this river water out into an ocean.