Where does most of the population of Canada live? on its southern border
in its cities
in the mountains
on its northern border

its a multiple choice.

"On it's southern border" and "In its cities"

Explanation: Pretty much all of the rest of Canada is either sparsly populated or uninhabitable. The south is the only majorly populated area due to its relatively mild weather (compared to the rest of canada)

i think the answer is going to be arabian desert!