Across
- 1. Human faeces and urine that can cause water pollution.
- 3. A gas released from cattle and paddy fields that contributes to the enhanced greenhouse effect.
- 5. Man-made chemicals found in aerosols and fridges that contribute to the enhanced greenhouse effect.
- 6. A type of water pollution caused by fertilisers and sewage.
- 8. A poisonous gas released from fossil fuels that binds to haemoglobin.
- 11. Burning fossil fuels increases the amount of this gas in the atmosphere.
- 12. Deforestation can increase the likelihood of soil ___________ .
Down
- 1. Sulfur impurities from fossil fuels release this gas when burnt.
- 2. The removal of trees.
- 4. The washing of nutrients out of the soil.
- 7. Algal bloom causes plants to be unable to ______________________ .
- 9. Less trees means there is less ___________________ returning water vapour to the atmosphere.
- 10. Air pollution that can kill fish and trees.