Podcast
Questions and Answers
What percentage of the Earth's water is freshwater?
What percentage of the Earth's water is freshwater?
- 30%
- 10%
- 3% (correct)
- 1%
What is an example of a biotic factor of water quality?
What is an example of a biotic factor of water quality?
- pH level
- Presence of fish (correct)
- Temperature
- Turbidity
What happens to water in urban areas when it flows down storm drains?
What happens to water in urban areas when it flows down storm drains?
- It is treated at a wastewater treatment facility
- It is used for irrigation
- It is released directly into a body of water (correct)
- It is stored in a reservoir
What is the term for the highest point or elevation in a watershed that separates one watershed from another?
What is the term for the highest point or elevation in a watershed that separates one watershed from another?
What is the result of high levels of nitrates and phosphates in a body of water?
What is the result of high levels of nitrates and phosphates in a body of water?
What is the term for surfaces that do not allow water to penetrate, such as roads and sidewalks?
What is the term for surfaces that do not allow water to penetrate, such as roads and sidewalks?
What is the primary reason why lakes and rivers in countries without wastewater treatment facilities are more polluted?
What is the primary reason why lakes and rivers in countries without wastewater treatment facilities are more polluted?
What is an example of a point source pollution?
What is an example of a point source pollution?
What is the result of man-made eutrophication in a body of water?
What is the result of man-made eutrophication in a body of water?
Why is high turbidity an indicator of poor water quality?
Why is high turbidity an indicator of poor water quality?
What is the primary impact of impervious surfaces on the water cycle?
What is the primary impact of impervious surfaces on the water cycle?
What is the primary function of a particular molecule in the atmosphere?
What is the primary function of a particular molecule in the atmosphere?
What is the result of non-point source pollution on a body of water?
What is the result of non-point source pollution on a body of water?
What is the main reason why drinking bottled water is unsustainable?
What is the main reason why drinking bottled water is unsustainable?
What is the process by which water is stored underground and can be tapped and brought to the surface?
What is the process by which water is stored underground and can be tapped and brought to the surface?
What is the term for natural places where groundwater comes to the surface?
What is the term for natural places where groundwater comes to the surface?
What is the primary cause of deep ocean currents?
What is the primary cause of deep ocean currents?
What is the result of the conveyor belt model of ocean water circulation?
What is the result of the conveyor belt model of ocean water circulation?
What is the effect of salinity on the density of water?
What is the effect of salinity on the density of water?
What is the main characteristic of upwelling waters?
What is the main characteristic of upwelling waters?
What is the primary reason for the formation of gyres in the ocean?
What is the primary reason for the formation of gyres in the ocean?
What is the main factor that influences the movement of ocean water vertically?
What is the main factor that influences the movement of ocean water vertically?
What is the primary purpose of sonar in oceanography?
What is the primary purpose of sonar in oceanography?
What is the process that results in the formation of barrier islands?
What is the process that results in the formation of barrier islands?