The erosion brought on by the Colorado River at Grand Canyon turned the area into a vast sea of sand
<h3>What changed on the Grand Canyon throughout time to give it its current appearance?</h3>
The Colorado River started working on the rock some 5 to 6 million years ago, and although it has not yet been definitively proven, erosion brought on by the river's continuous passage opened up the Canyon and permanently altered the landscape.
The Grand Canyon, we see now may not exactly match the one that existed roughly a century ago and may not be exactly as it was then due to the river's continued passage through and alteration of the landscape of this remarkable geological feature.
B. In the poem, friendship is described as nurturing the relationship between two people, and the play shows two men with complete faith and trust in each other.
