The greenhouse effect

1234567891011
Across
  1. 3. This effect traps the Sun's heat in the atmosphere
  2. 5. The type of radiation emitted by the Earth's surface
  3. 6. The layer of gas that surrounds Earth
  4. 8. A greenhouse gas that can stay in the atmosphere for a long time
  5. 9. A greenhouse gas produced by cattle
  6. 10. This greenhouse gas is part of the water cycle
  7. 11. Some radiation from the Sun is __________ by the Earth and atmosphere
Down
  1. 1. This is what is happening to atmospheric carbon dioxide levels
  2. 2. The average __________ of Earth has increased by 1oC
  3. 4. The ___________ greenhouse effect is due to human activity
  4. 7. A greenhouse gas produced by burning fossil fuels