unit 7

2. (n.) a family member who lived at an earlier time
4. (adj.) spreading rapidly through a population
5. (n.) spirited, carefree, or noisy fun (v.) to run or play in a lively way
6. (n.) a person who supports democracy
7. (adj.) having little strength or force
8. (adj.) watchful and ready to act (.)readiness, an alarm (v.)to warn or make aware of
9. (adj.) widespread, general
11. (adj.) without errors, completely correct
13. (n.) study of populations(study of the people)
14. (v.) to stay alive or continue to exist / keep on going to live longer than
15. (n.) a U-shaped wire that fasten material by piercing and bending/ a major product, material or item regularly used (adj.) chief, principal

1. (v.) to enter or force a way through or into
3. (adj.) spreading to a very large group at the same time
4. (adj.) related to the simplest or beginning level of something
10. (n.) political rule by majority vote of the people
12. (n.) feeling a little bit jealous of what someone else has, or wanting what they have