Water pollution
Across
- 6. Pollution, which may affect the environment hundreds of miles away from the source, such as nuclear waste, is called a ...... pollution.
- 7. .......... pollution is caused by dumping of litter to the water bodies.
- 8. If the pollution comes from a single, discrete place, such as an oil spill, it is called a ........ - source pollution.
- 9. Any organic or inorganic material that is added to a soil to supply one or more plant nutrients essential to the growth of plants.
- 10. One of the wastewater treatments is a septic ...... .
- 11. In a first stage of industrial water treatment, a part of suspended, solid particles and inorganic material is removed by the use of ...... .
- 12. Disposal of the wastewater is a major problem in developing countries as many people in these areas don’t have access to ........ conditions and clean water.
- 13. Reactive gas, converted from oxygen and used for contaminated water treatment.
Down
- 1. The main reason for water pollution with oil is determined to be an oil ........ .
- 2. A neurological syndrome, caused by severe mercury poisoning is called ........ disease.
- 3. Type of water pollution, identified by the rise or fall in the temperature of a water body.
- 4. A process which occurs when water bodies receive a surplus of nutrients that stimulate excessive plant and algae growth.
- 5. Due to the thermal water pollution and eutrophication, fish do not get enough oxygen and then ....... .
- 12. Domestic households, industrial and agricultural practices produce ........ .