a is a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.
a) delta
b) dune
c) fault
d) plateau

Which of the following regions has what is considered the most rugged terrain in oklahoma? a. the wichita mountains b. the arbuckle mountains c. the sandstone hills d. the ouachita mountains

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called