mammoth
The type of bone used to build early houses is called "boning." It is typically made from the rib bones of large animals, such as whales or mammoths, and was commonly used in construction during prehistoric times.
The Chinook used cedar wood to build their houses.
Not answerable - you need to specify who "they" are, and where "they" live.
The word lacrimal means a type of stroke ending which is used in typography.
logs
The largest Anasazi houses, at the peak of their civilization, were built of stone, adobe bricks, and tuff. (A type of stone)
wood and animal skin
Row Houses
it is really oak wood trust me
Depending on the location you have to build a house in the mountains, almost any type of house will work. Multi-level houses are often built to follow the contour of the mountain. The slope of the land and stability of the site can make a difference on the type of house you build.
Whichever type are built in their community. Colonials are popular I believe, but people can also build their own.