Environment
Across
- 1. a chemical element that forms diamonds and coal and that is found in petroleum and in all living plants and animals
- 5. of, relating to, or using the natural heat produced inside the Earth
- 7. a material (such as coal, oil, or gas) that is burned to produce heat or power
- 10. the conditions that surround someone or something
- 11. no longer existing
- 12. the whole mass of air that surrounds the Earth
- 14. the general weather conditions usually found in a particular place
- 18. a person who works to protect the natural world from pollution and other threats
- 20. the state or situation that results when something (such as a plant or animal species) has died out completely
- 21. the act or result of cutting down or burning all the trees in an area
- 22. a layer of rock or sand that can absorb and hold water
- 24. something that makes a place or a substance (such as water, air, or food) no longer suitable for use
- 25. a science that deals with the relationships between groups of living things and their environments
- 26. to make (something) dangerous, dirty, or impure by adding something harmful or undesirable to it
- 27. the existence of many different kinds of plants and animals in an environment
Down
- 1. a substance that can cause cancer
- 2. a black or brownish-black hard substance within the earth that is used as a fuel
- 3. capable of being slowly destroyed and broken down into very small parts by natural processes, bacteria, etc.
- 4. the gradual destruction of something by natural forces (such as water, wind, or ice)
- 6. used to describe a type of animal or plant that has become very rare and that could die out completely
- 8. the physical or mental strength that allows you to do things
- 9. a black or brownish-black hard substance within the earth that is used as a fuel
- 13. the act of producing or sending out something (such as energy or gas) from a source
- 15. someone who works to protect animals, plants, and natural resources or to prevent the loss or waste of natural resources
- 16. conservation
- 17. the quality or state of having many different forms, types, ideas, etc.
- 19. everything that exists in a particular environment
- 21. made to be used once or only a few times : made to be thrown away after one use or several uses
- 23. something (such as a leaf, skeleton, or footprint) that is from a plant or animal which lived in ancient times and that you can see in some rocks