1) Becuase of the temperature, because of reproduction, because they fell in danger and because of the food.
2) They migrate because of the weather and because the food won´t be able to grow there.
a) No they don´t they live in normal houses.
b) They use reindeer skin to keep hot.
c) They reproduct.
d) Reindeer travel by ships.
e)The decision he has to take is what to do when she become older.