Most of Canada's population lives In its cities
In the mountains
On the northern border
On its southern border
There are multiple answers.

a characteristic is a deep cut in the earth or left over rock aka till.  

the answer is c i just put d and i got it wrong so yeah its d

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )

answer biscay bay;