Environment
Across
- 3. Made worse or more severe.
- 7. chain The series of processes by which living things eat other living things to survive.
- 10. Supplying water to crops to help them grow.
- 13. The clearing or thinning of forests by humans.
- 14. Illegally hunting or capturing wild animals.
- 15. Places where waste is buried under layers of earth.
- 16. A biological community of interacting organisms and their physical environment.
- 18. power/energy Energy from the sun that is converted into thermal or electrical energy.
- 19. The act of cutting down trees for timber.
- 21. particles Tiny pieces of solid or liquid matter that contaminate the air or water.
Down
- 1. The variety of life in the world or in a particular habitat or ecosystem.
- 2. loss The destruction or decline of a natural environment where organisms live.
- 3. The act of using resources or people unfairly for one's own advantage.
- 4. A large-scale disaster, misfortune, or failure.
- 5. The permanent disappearance of a species from Earth.
- 6. numbers A reduction in the population of a species over time.
- 7. An extreme scarcity of food, affecting a large number of people.
- 8. Gases or substances that are released into the air, often from vehicles or factories.
- 9. The part of Earth where life exists, including land, sea, and air.
- 11. The process of making something impure or unsafe by contact with something unclean or poisonous.
- 12. exhaust Gases ejected from an engine as waste products.
- 17. A long period without rain, leading to a water shortage.
- 20. erosion The wearing away of topsoil by water, wind, or agricultural activities.