Across
- 1. This transparent material can be recycled again and again.
- 4. what is the "color" of the book, which contains a list of rare and endangered plants, animals and fung
- 7. ...warming.
- 9. That forms glaciers.
- 11. energy that we get from the Sun
Down
- 2. a place where garbage is dumped.
- 3. About 1% of the water on Earth
- 5. are tiny droplets or frozen crystals of water suspended in the atmosphere.
- 6. Air pollution can cause... lung damage.
- 8. the air around the Earth.
- 10. About 1 billion people do not have such drinking water