Across
- 2. pollution- when runoff from rain and snowmelt carries pollutants into waterways such as rivers, streams, lakes, wetlands, and even groundwater.
- 4. pollution - the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.
- 8. Water Act- the principle law governing pollution control and water quality of the Nation's waterways
- 9. the measure of relative clarity of a liquid
Down
- 1. pollution- any single identifiable source of pollution from which pollutants are discharged
- 2. pollution- the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae.
- 3. - the environment becomes enriched with nutrients, increasing the amount of plant and algae growth to estuaries and coastal waters.
- 5. depletion - The reduction in the concentration of dissolved oxygen in water, especially as a result of pollution.
- 6. matter- made up of fine matter
- 7. - the introduction of harmful materials into the environment.