Across
- 2. ...is a large area of land covered with trees or other woody vegetation.
- 4. ...is the collection of techniques, skills, methods and processes used in the production of goods or services or in the accomplishment of objectives
- 5. ...is a transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms
- 6. ...is a housing facility for people with disabilities.
- 8. This describes the continuous movement of water on, above and below the surface of the Earth.
- 10. ...is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
- 12. ...is any contiguous living system, such as an animal, plant, fungus, or bacterium.
- 15. ...is the flow of gases on a large scale.
- 16. ...is to use an item again after it has been used.
- 18. ..are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs
- 19. ...is the third planet from the Sun.
- 21. ... is the act of preserving, guarding or protecting; wise use.
- 22. ...smoke and fog.
- 24. ...is electromagnetic radiation within a certain portion of the electromagnetic spectrum
Down
- 1. ...is the practice of killing or trapping any animal, or pursuing or tracking it with the intent of doing so.
- 2. ...is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits
- 3. ...is, according to one definition, land capable of being ploughed and used to grow crops.
- 4. ...is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere
- 7. ...is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions
- 9. ...is the statistics of weather, usually over a 30-year interval.
- 11. ...is the "biological foundations that lie at the very epicenter of the study of both communication andsignification in the human [and non-human] animal".
- 13. ...is a mixture of minerals, organic matter, gases, liquids, and countless organisms that together support life on Earth.
- 14. ...is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes
- 17. ..encompasses all living and non-living things occurring naturally on Earth or some region thereof
- 20. ...are a class of invertebrates within the arthropod phylum that have a chitinous exoskeleton, a three-part body
- 23. ...is the name given to the Earth's atmosphere