Across
- 5. / is in the state of liquid, you can find it in the ocean, river or lakes.
- 8. / all the things that are not produced by humans.
- 9. / in other words can be contamination
- 11. / to make or become smaller in size, or number.
- 12. / when objects pass through a system and you use them again in another form.
- 13. / plant that give us oxygen
- 14. / a bloom on a plant, one example is a rose.
- 16. / to replant
- 18. / is were an animal live
- 19. / is the name of the planet were we live
- 20. / nature produce this food, one example is an apple
Down
- 1. / we do it every three weeks. In here we separate the paper, plastic, and metals
- 2. / one example is the lion.
- 3. / a mixture of gases that let living things live
- 4. / to use again something.
- 6. / a catastrophe produced by nature, one example is the tsunami
- 7. / is something produced by nature
- 10. / this is changing because the global warming is increasing a lot.
- 15. / the biggest star of the universe, this star give us light
- 17. / animals that can live in our houses, one examples is a dog