Earth day crossword
Across
- 3. the use of organic plants or materials to make fertilizer
- 5. a mixture of gases around Earth
- 7. using the sun's UV rays to make energy
- 9. trash being thrown away anywhere instead of a trash can
- 10. the production and release of gas or radiation
Down
- 1. throwing something away so it can be made into something that can be used again
- 2. something that has grown purely from the earth
- 4. contamination of places with harmful or poisonous substances
- 6. a community of organisms interacting with each other
- 8. a place to throw away or dispose of things