In what type of environment would you typically find sedimentary rocks?

Sedimentary rocks are typically formed in environments where sediments accumulate over time. This includes areas where water, air, or ice transports particles and deposits them in layers. Riverbeds are a prime setting for sedimentary rock formation as flowing water carries sediments from upstream and deposits them in calmer areas, allowing layers to build up. Over time, these sediments can become compacted and cemented together through geological processes, resulting in sedimentary rock.

While sedimentary rocks can form in other environments like oceans and deserts, riverbeds specifically highlight the dynamic processes of sediment transport and deposition. In oceans, sediment may accumulate on the seafloor, and in deserts, wind action can create sediment but often lacks the layering seen in river environments. The focus here is the characteristic process of sediment deposition that is most dramatically illustrated in riverbeds, making it the correct answer.