omprehension Questions
Classify the following topics according to the Dewey Decimal System.
1.
travel
2. encyclopedia
3. ethics
4. etiquette
5. photography
6. hygiene
-7. biography
8. mathematics
9.
communication
10. sports
11. grammar books
12. physics
13. mythology
14. statistics
15. plays
16. magazines
17. folklore
18. law
19. psychology
20. aviation
iting Skills​