Canada's borders include all of the following except
a.alaska.
b.arctic ocean.
c.greenland.
d.pacific ocean.

Canada shares a long land boundary with Alaska and a long boundary with the Arctic Ocean to the North.

It also has a very short boundary with the Pacific Ocean, around Vancouver.

It actually also shares a maritime (water) border with Greenland - although if we discount this kind of border, we can accept Greenland as the correct answer.

2. the people can live off the land and the people established permanent homes and towns.

Explanation:

Mauritania is an Arab country that has an enormous wealth of natural resources, but has a very low HDI, since most of the exploitation of these resources is through subsistence agriculture, which is agriculture made for the consumption of the farmers themselves and not to trade and move the economy. In this case, we can say that in Mauritania people tend to live off the land and because of that they have habits of creating permanent homes and cities.