G & L Roots 9-10

2. a great number of things or people
4. a person who gives money and time to help make life better for other people
5. the form of a word that refers to more than one
6. the process by which a green plant turns water, light, and carbon dioxide into food
8. an area that includes several large cities
11. a tiny particle of light or electromagnetic radiation
12. describing a belief that there is more than one god
14. a US city founded by William Penn
15. the art, process, or job of taking pictures with a camera
16. a two-dimensional shape that has three or more sides and angles
17. a large, meat-eating dinosaur
18. involving two or more subjects

1. a person who loves or collects books
2. using or involving several forms of communication or expression
3. to increase greatly in number or amount
7. a science that deals with things that are alive
9. capable of being slowly destroyed and broken down into small parts by nature
10. the study of ideas about knowledge, truth, the nature and meaning of life
13. the story of a real person's life written by someone else
16. a situation where people of different social classes, religions, races, etc. are together in a society