Podcast
Questions and Answers
What is the purpose of an activated-sludge sewage treatment plant?
What is the purpose of an activated-sludge sewage treatment plant?
- To remove inorganic nutrients
- To facilitate groundwater mining
- To increase salinity in soil
- To separate water and sludge (correct)
Which process is extremely costly due to the need for specific chemical treatment of water?
Which process is extremely costly due to the need for specific chemical treatment of water?
- Activated-sludge sewage treatment (correct)
- Groundwater sustainability
- Dissolved oxygen removal
- Groundwater mining
What is the outcome of extended periods of groundwater mining?
What is the outcome of extended periods of groundwater mining?
- Increase in water table
- Land rising
- Saltwater intrusion near coastal areas (correct)
- Increase in salinity
What is salinization?
What is salinization?
Which management strategy is used to achieve groundwater sustainability?
Which management strategy is used to achieve groundwater sustainability?
What are the main organisms and particulate matter found in sewage sludge from treatment processes?
What are the main organisms and particulate matter found in sewage sludge from treatment processes?
What happens when too much organic matter is added to water?
What happens when too much organic matter is added to water?
What is the primary cause of eutrophication?
What is the primary cause of eutrophication?
What is the term for the amount of oxygen required to decay a certain amount of organic matter?
What is the term for the amount of oxygen required to decay a certain amount of organic matter?
What type of pollution source is more difficult to identify and control?
What type of pollution source is more difficult to identify and control?
What can individuals do to protect surface and ground waters from nonpoint pollution?
What can individuals do to protect surface and ground waters from nonpoint pollution?
What type of pollution is caused by disease-causing organisms?
What type of pollution is caused by disease-causing organisms?
What is a major consequence of excessive fertilizer use in agricultural activities?
What is a major consequence of excessive fertilizer use in agricultural activities?
What type of bacteria is an indicator of fecal matter in water?
What type of bacteria is an indicator of fecal matter in water?
What is a major contributor to eutrophication in aquatic habitats?
What is a major contributor to eutrophication in aquatic habitats?
What is a nonpoint source of water pollution?
What is a nonpoint source of water pollution?
What is the term for the amount of oxygen required to break down organic matter in water?
What is the term for the amount of oxygen required to break down organic matter in water?
What is a consequence of high levels of organic matter in water?
What is a consequence of high levels of organic matter in water?
