The correct options are these:
1. Dense hair all over the body to protect from cold.
2. A thick layer of fat to insulate the body.
3. Padded feet to walk through the snow.
Animals usually have adaptive characteristics which make them fit for the environment in which they live, such adaptive features make it easy for them to survive in such an environment. The three characteristics listed above will make it possible for an animal living in a snowed environment to survive.