Answer :
well . . .the river eventually end up in the ocean.
After that, the sun will cause the water to evaporate into cloud.
And eventually , the cloud will condense and fall down to the surface as rains, which eventually came back to the youthful river.
After that, the sun will cause the water to evaporate into cloud.
And eventually , the cloud will condense and fall down to the surface as rains, which eventually came back to the youthful river.