US waterways have been polluted with ______, _______ products, ______ chemicals, ______, ____, ______, ___ rain, and acid _______ from ______

1. pesticides, petroleum, synthetic, arsenic, lead, mercury, acid, drainage, mines

US waterways have been polluted with ______, _______ products, ______ chemicals, ______, ____, ______, ___ rain, and acid _______ from ______.

2. animals, plants, aquatic, human health

Water pollution effects include poisoned _____ and ____, altered _______ ecosystems, and decreased ______ _____.

3. industry, industrial, purchasing

Solutions to water pollution:
- Issue and enforce more stringent regulations of _______
- Modify ______ processes
- Modify our ________ decisions

4. Sediment pollution

Clear-cutting, mining, clearing land for housing, and cultivating farm fields expose soil to erosion and cause _____ ________.

5. Sediment pollution

Dramatically changes aquatic habitats

6. farms, forests, large, vegetation

Sediment pollution Solutions:
- Better management of _____ and ______
- Avoid ____-scale disturbance of _______

7. Thermal, Colorado, invasive trout, sucker

_____ pollution example in the ______ River system. Pulses of cold streams favors _____ ____ over an endangered species of _____ fish!!

8. Thermal pollution

Water that is too warm or too cold can disrupt habitats and cause problems.

9. Nutrient pollution

From fertilizers, farms, sewage, lawns, and golf courses leads to eutrophication (recall chicken farm in Poisoned waters!! & Dead zone in the Gulf of Mexico)

10. phosphorus

Fertilizers add __________ to water, which boosts algal and aquatic plant growth.