Across
- 2. plastic bags and other things that people leave behind in nature
- 6. an act of aging of things in nature until they turn into dirt
- 7. to make something better
- 8. a ceratain measure of something
- 9. an animal living by the seacoast eating mostly fish
- 10. 1000 grams
- 11. scientists do it, it means: start to exist, experience, or possess
- 13. a great success
- 15. a group of manufacturers or businesses that produce a particular kind of goods or services
Down
- 1. truly or very well
- 3. to do something better than the best known
- 4. the process of rising of the temperature all over the world
- 5. an act of making sure something is right, you also write it at school to get grades
- 12. to make sure of something
- 14. we breath it and need it to stay alive