Across
- 1. Energy from the sun is called?
- 3. where we write.
- 6. Movement of air.
- 7. The time in the evening when the sun disappears or daylight fades.
- 8. The place where ocenan meets land.
- 10. ......dioxide, gas leading to global warming.
Down
- 2. The entire body of salt water that covers more than 70 percent of the earth´s surface.
- 4. Mass of air surrounding the earth.
- 5. During what time solar energy doesn´t work?
- 9. a yellow precious metal.
