Across
- 3. plastics are the ones that can't be broken down(3-13)
- 5. like DDT had been detected in mammals
- 9. fall-out can lead to bioaccumulation of radioactive material
- 10. Chemicals If not applied correctly, can affect local and far away areas(12,9)
- 11. Rain comes from burning fossil fuels and combustion of petrol in gas
- 13. Feed on dead plants like algae and respire aerobically lowering oxygen concentration in water
- 14. Makes male fish produce eggs in testes and sperm can't develop correctly
- 15. encourages algae and bacteria growth
Down
- 1. waste, comes from industrial processes
- 2. of rivers and lakes caused by sulfur and nitrogen oxides lowering water's pH
- 4. plastic releases toxic gases
- 6. Comes from the oversupply of Nitrogen and Phosphorus
- 7. is found in contraceptive pills and make male fish obtain female characteristics
- 8. can trap small animals
- 12. sulfur in fuels can reduce Acid Rain