Question

The largest difference between mars' northern and southern hemispheres is that

Answer 1

The two hemispheres of Mars are vividly unlike from each other—a unique not seen on any other planet in our solar system. The answer is the largest difference is that the southern appears older and with more impact craters. 

Answer 2

ANSWER:

The largest difference between the northern and southern hemisphere of Mars is the elevation.

EXPLANATION:

• The northern hemisphere is flat and low lying area that has normal temperature.

• The southern hemisphere has more of highlands that are volcanic in nature. The southern hemisphere is hot with high temperatures.

• The striking difference in the elevation of the southern and northern hemisphere of 'Mars' can be attributed to different hypotheses like single and multiple impact hypothesis and plate tectonics.