Across
- 2. (n.) the process of making air, water, soil, etc. dirty
- 3. (n.) a natural ability to influence and interest other people and make them admire you
- 7. (n.) a form of air pollution that looks like a mixture of smoke and fog, caused by smoke from cars and factories in cities
- 9. (n.) the burning of things until they are completely destroyed
- 10. (n.) an argument or a disagreement between people
- 13. (n.) the act of cutting down or burning all the trees in an area
- 14. (adj.) harmful to other people, or to society as a whole
- 18. (n.) a substance that makes something dirty
- 20. (n.) smoke or gas that is unpleasant to breathe in
- 21. (n.) a substance that pollutes something, especially air and water
- 22. (n.) the activity of using messages on social networking sites, emails, etc. to frighten or upset someone
- 23. (n.) a situation when people spend more money than they should
Down
- 1. (n.) the practice of treating people differently in an unfair way
- 4. (n.) a chemical substance used to kill insects and small animals that destroy crops
- 5. (adj.) thinking about a person or thing too much or all the time
- 6. (n.) food that remains at the end of a meal after you have finished eating
- 8. (n.) actions which hurt others physically
- 11. (n.) the process of taking too many fish from the sea, a river, etc. that the number of fish in it becomes very low
- 12. (n.) used water and waste substances produced by human bodies, that are carried away from houses and factories through pipes under the ground
- 15. (v.) to laugh at someone in order to have fun or embarrass him/her
- 16. (n.) the use of energy, food or materials; or the amount that people use
- 17. (n.) a substance that causes death or serious illness if it is swallowed or absorbed into the body
- 19. (adj.) not behaving in a way which is as calm and wise as people expect from someone of your age