Native americans/first nations lived

only in permanent settlements, villages and cities.

some groups lived in migratory groups and others in villages and cities.

generally groups lived large cities comparable in size to the largest european cities.

only in small temporary settlements.

B Some groups lived in migratory groups and others in villages and cities.

Explanation:

The best option is: Some groups lived in migratory groups and others in villages and cities.

Because there are a different type of Native Americans and First Nations in Canada. Many of them were in migratory groups and lived so many other parts of World such as Europe, Asia, and Africa as well. Whereas some were started in living in Villages and cities. In the current situation, a very small number of Native American/First nations are still living in a migratory group and most of the others are in Cities as well as in villages.

d.) greenhouse gases

yes probably it reduce

thanx

heyaa