The large feature spanning the surface of Mars shown in the figure below is ________ and probably was created by ________.
A) an impact crater; an asteroid or comet
B) a dry riverbed; flowing water
C) a canyon; a rapid cooling of the crust
D) a canyon; flowing water
E) a highway; an extinct civilization

Question

The large feature spanning the surface of Mars shown in the figure below is ________ and probably was created by ________. 
A) an impact crater; an asteroid or comet 
B) a dry riverbed; flowing water 
C) a canyon; a rapid cooling of the crust 
D) a canyon; flowing water 
E) a highway; an extinct civilization

Quizplus · Accepted Answer

The Answer of The large feature spanning the surface of Mars shown in the figure below is ________ and probably was created by ________. 
A) an impact crater; an asteroid or comet 
B) a dry riverbed; flowing water 
C) a canyon; a rapid cooling of the crust 
D) a canyon; flowing water 
E) a highway; an extinct civilization

The Large Feature Spanning the Surface of Mars Shown in the Figure