The presence of dunes in the middle Victoria Crater on Mars indicates that:
A) Mars has an atmosphere
B) volcanic eruptions produced abundant sand
C) glaciers once covered most of Mars
D) seas once covered this area, leaving behind the dunes

Question

The presence of dunes in the middle Victoria Crater on Mars indicates that: 
A) Mars has an atmosphere 
B) volcanic eruptions produced abundant sand 
C) glaciers once covered most of Mars 
D) seas once covered this area, leaving behind the dunes

Quizplus · Accepted Answer

The Answer of The presence of dunes in the middle Victoria Crater on Mars indicates that: 
A) Mars has an atmosphere 
B) volcanic eruptions produced abundant sand 
C) glaciers once covered most of Mars 
D) seas once covered this area, leaving behind the dunes

The Presence of Dunes in the Middle Victoria Crater on Mars