Across
- 2. wave A radio wave with a wavelength in excess of 1000 meters.
- 3. transportation fuels like ethanol and biodiesel that are made from biomass materials.
- 6. all the living organisms existing together in a particular area .
- 7. The process of water molecules escaping the surface of the Earth and entering the atmosphere
- 9. Sheet a very large and thick area of ice that covers a region
- 11. Nino An extreme of the Southern Oscillation that causes drought in parts of Australia
- 14. A radio wave with a wavelength in excess of 1000 meters.
- 16. the land masses on Earth
- 18. Effect the warming of Earth caused by greenhouse gases
- 20. process in which green plants, algae, and cyanobacteria utilize the energy of sunlight to manufacture carbohydrates from carbon dioxide and water in the presence of chlorophyll.
- 22. periods between glaciations
- 23. the layers of gases that surround the plant
- 25. a colorless odorless flammable gaseous hydrocarbon ch4 that is a product of decomposition of organic matter and of the carbonization of coal, is used as a fuel and as a starting material in chemical synthesis, and is the simplest of the alkanes
- 26. Dioxide used by plants during photosynthesis to make sugars which may either be consumed again in
Down
- 1. Fuels Fuels that contain the carbon of plants and animals that died and were preserved mllions of years ago
- 3. all living things on the planet Earth
- 4. commonly referred to has heat rays. Heat is in fact infrared radiation.
- 5. cutting, clearing, and removal of rainforest or related ecosystems into less bio-diverse ecosystems such as pasture, cropland, or plantations
- 8. moves between plants, animals, bacteria, the atmosphere (the air), and soil in the ground.
- 10. the conditions in the atmosphere
- 12. all the liquod water on the Earths surface
- 13. It takes place when water vapor in the air condenses from a gas, back into a liquid form, and leaves the atmosphere, returning to the surface of the Earth.
- 15. scientific term for conveyor belt, a contunious circulation of water that can be tracked around the whole Earth
- 17. or used as the raw material to produce polysaccharides such as starch and cellulose, proteins and the wide variety of other organic compounds required for plant growth and development.
- 19. the act of producing or sending out something (such as energy or gas) from a source
- 21. The long term averages of weather conditions
- 24. areas on Earth where the temperature in layers of soil or rock beneath the surface never rises above freezing point