Which water pollutant most commonly threatens human health?
29 Cards in this Set
| Factories, sewage treatment plants, and oil wells are __________ sources of water pollution. | point |
|---|---|
| Atmospheric deposition of contaminants is an excellent example of | nonpoint pollution. |
| The water pollutant that most commonly threatens human health is | pathogenic organisms. |
What would you not find in water that has been through tertiary treatment?
An oligotrophic lake would be very productive. the Clean Water Act. What would you not find in water that has been through tertiary treatment? Dissolved Metals.
Which one of the following is an example of a non-point source of water pollution quizlet?
Examples of Non-point sources? industrial spills, increased run-off, increased sediments in water, animal waste, oil, chemicals,fertilizers.
Is a point source of water pollution quizlet?
A point source is a type of pollution that can be seen and a non-point source is a source that is not easy to link to anything specific. An example of a non-point source is animal waste and an example of a point source is seeing a pipe from a building running directly to a stream.
Which irrigation technique is least wasteful of water?
Drip irrigation is one of the most efficient methods for delivering water to crops with minimal waste. Currently, it is used on less than 2 percent of irrigated land in the world but it can reduce water use by 30 to 70 percent.
What activity uses the greatest share of US household water?
Our greatest household water use is flushing toilets.
What does tertiary treatment remove and why is it important?
Tertiary treatment is the third, and final, stage in a standard wastewater management system. Once effluent has been treated in the primary and secondary stages by removing suspended solids, pH balancing and reducing its biochemical oxygen demand (BOD), it is ready to enter the tertiary stage.
Which is the best example of a point source pollution?
Examples of point sources include sewage treatment plants; oil refineries; paper and pulp mills; chemical, automobile, and electronics manufacturers; and factories. Regulated pollutants from point sources include wastes, soils, rocks, chemicals, bacteria, suspended solids, heavy metals, pesticides, and more.
Which is the best example of a point source pollution quizlet?
Point sources discharge pollutants at specific locations through drain pipes, ditches, or sewer lines into standing bodies of water. Examples include factories, sewage treatment plants, underground mines, and oil tankers.
Which of the following is the best example of a point source of water pollution?
What is the difference between a point source and a nonpoint source of water pollution quizlet?
point source pollution has a single, identifiable source while nonpoint source pollution is a collection of pollutants from many different sources, not all of which are readily identifiable.