3. Directions: Classify the following characteristics as to the age they represent. Write the letter of your answer, before the number., a. PALEOLITHIC AGE, b. NEOLITHIC AGE, C., METAL AGE, 12. Civilization, 13. Polished stone tools, 14. Domestication of plants and animals, 15. Nomadic way of living, 16. Unpolished stone tools, 17. Tribe, empires and state, 18. Use of metals, 19. Living in permanent places, 20. hunting and gathering, 21. developed agricultural tools like plows, 22. developed boat as means of transportation and for fishing 23.depended on domesticated plants and animals , 24. caves serve as shelter 25.discovery of fire