Across
- 1. Type of pollution with non-direct, difficult to identify source
- 3. sewage discharged into a river of the sea
- 6. product design to kill weeds
- 7. source of water to feed domestic properties
- 8. measure of acidity
- 9. type of water pollution from heavy metals, logging, slash and burn, fertilizers.
- 11. change of green spaces to concrete jungles
- 12. movement of water underneath the ground
Down
- 2. product designed to kill insects
- 4. type of pollution that changes environmental temperature due to outlet from factories
- 5. type of water pollutant consisting of insecticides, herbicides, and other chemicals, bacteria
- 8. Type of pollution with direct, identifiable source
- 10. type of pollution that can cause genetic mutations
