What type of land formation is shown on this map a)river b)plain c)valley d)peak

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

From the standpoint of geography,a is an internal rendering of an individual's known world

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit