Across
- 6. Fuel such as coal or gas, formed in the past from the remains of living organisms
- 7. A glass building in which plants that need protection from cold weather are grown
- 8. Slowly moving mass of ice formed by the accumulation of snow on mountains or near the poles
- 9. The variety of plant and animal life in a particular habitat
- 10. The ______ layer in the earth's atmosphere which absorbs harmful UV radiation from the sun.
Down
- 1. Capable of being decomposed by bacteria or other organisms to avoid pollution
- 2. A long, high sea wave caused by an earthquake
- 3. Energy that is collected from resources that are naturally replenished
- 4. Amount of carbon dioxide released into the atmosphere as a result of human activities is called Carbon ___________.
- 5. Decayed organic material used as a fertilizer for growing plants