Anyone know what the matches are ?

1. h

2. f

3. b

4. e

5. d

6. g

7.  j

8. i

9. a

10. c

greenland

c tundra

iceland is grassland

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.