Erosion and weathering is what makes any canyon smaller, and it also starts canyons.
The Grand Canyon is in the western US.The "Grand Canyon of Pennsylvania" is in the east, but is much smaller than the Grand Canyon in the west.
The Grand Canyon is made of limestone.
Smaller? It has got bigger!
dum
From the green growth (moss, etc.) on the canyon walls that makes it look like copper ore.
Yes, Mars has many mountains and canyons. Check out Valles Marineris, a huge canyon on the planets surface, with many smaller canyons and valleys around it.
The grand canyon
They are alike because they both are like deep valleys Mesas make the canyon and the Canyon makes the sides steep
Hells Canyon, located along the border of eastern Oregon and western Idaho, is the United States' deepest canyon/gorge at 7,993 ft (2,436m). It is part of the Hells Canyon National Recreational Area.
what will happend is that it will get deeper and deeper. however slowly by slowly it will get smaller. the cuase of this is us because daily people are on the grand canyon menaing that we are the cuase of the destruction.
Erosion
The CPU of the unit is smaller, so the computer gets smaller with it.