In Utah’s Arches National Park we can see many interesting shapes like this one below. Many different things helped to shape this arch: earthquakes, rivers, freezing water, and wind. Which one of these made the surface of the arch smooth and rounded?

Question

(1 point)
Responses

a river running through the rocks
a river running through the rocks
strong winds
strong winds
water freezing in the cracks
water freezing in the cracks
earthquakes

Answer 1

water freezing in the cracks