Each of the following discoveries is mentioned in the passage EXCEPT.
A. Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars
B. Mars does not have a substantial golbal magnetic field.
C. Mars does not currently have water activity
D. The length of day on Mars is similar to that on Earth
সঠিক উত্তরঃ
A.
Wind erosion and carbon dioxide oceans are responsible for certain geological land forms on Mars
