The arches were formed due to wind erosion. The wind picks up sand grains and scours away at the rocks, seeking out weak areas.
sedimentary
No.
Over 2000 sandstone arches are in the park.
victorias gold-bearing rocks are sandstones
false only limestone
Information about the Arches National park can be found on the website of the National Park Service. There you can find all basic information you would need for a visit like: directions, opening hours, fees and programs. There are also various sections with more specific information.
Those are deposition layers influenced by wind or moving water.
Sandstones are found in prehistoric beach or desert deposition areas that were covered in other sediments, then lithified.
There are a number of National Parks in desert regions. Here are a few: Saguaro National Park Carlsbad Caverns National Park Big Bend National Park Guadalupe Mountains National Park Death Valley National Park Great Basin National Park Joshua Tree National Park Petrified Forest National Park Zion National Park Arches National Park Canyonlands National Park
A ripple mark is not a kind of rock in and of itself, but a feature found in some sedimentary rocks, usually sandstones.
The wavy features found on some sandstones are the build up of the different layers of rock the rock has produced over the decades.
trabeculae is the correct answer