What landforms are found in the western United States? A. low, rounded mountains and coastal plains

B. sharp mountain peaks and deep canyons

C. river plains and low, rounded mountains

D. plateaus and low, rounded mountains

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system