Across
- 2. neglected; "I bought a lot of books but I don't read them because I've been busy. They only ... on the shelf."
- 3. display, show; "This gallery has an ... of Van Gogh's artworks."
- 9. in trouble, in danger, almost extinct; "National parks are responsible to protect ... animals from extinction."
- 12. go extinct; "Many species ... every year due to global warming."
- 14. the ideas that repeat in a novel, movie or game; "Forbidden love is the ... in Romeo and Juliet."
- 15. keep animals to produce babies–usually to sell them
- 17. synonym of mostly; "This school ... consists of students from Central and South America."
- 18. gaining independence, freedom
- 20. great physical and mental suffering
- 21. to work together (adverb)
Down
- 1. to become a big city; "Property prices rise up due to heavy ... in previously rural areas."
- 4. feel comfort; "I listen to music to ... stress."
- 5. manufacturing in large quantities
- 6. let go, let out; "Factories and cars ... greenhouse gasses every day."
- 7. "Language barrier is one example of ... barriers that happens to international students everywhere. "
- 8. steps to achieve a goal; "Wearing goggles in a lab is one of the safety ... for scientists"
- 10. not focused; "I am always ... by my phone."
- 11. causing disagreement; "The use of Artificial Intelligence in art is one of the most ... topics today."
- 13. food shortage causes this
- 16. trash; "Smoke from factories is an example of toxic ... ."
- 19. unfairly using animals for our advantage