24 Questions
What percentage of the Earth's water is freshwater?
3%
What is an example of a biotic factor of water quality?
Presence of fish
What happens to water in urban areas when it flows down storm drains?
It is released directly into a body of water
What is the term for the highest point or elevation in a watershed that separates one watershed from another?
Divide
What is the result of high levels of nitrates and phosphates in a body of water?
Man-made eutrophication
What is the term for surfaces that do not allow water to penetrate, such as roads and sidewalks?
Impervious surfaces
What is the primary reason why lakes and rivers in countries without wastewater treatment facilities are more polluted?
Lack of wastewater treatment
What is an example of a point source pollution?
Industrial waste discharge from a factory
What is the result of man-made eutrophication in a body of water?
Formation of a dead zone
Why is high turbidity an indicator of poor water quality?
It reduces the amount of light that can penetrate the water
What is the primary impact of impervious surfaces on the water cycle?
Increased runoff rates
What is the primary function of a particular molecule in the atmosphere?
To block harmful ultraviolet rays from the Sun
What is the result of non-point source pollution on a body of water?
Decreased dissolved oxygen levels
What is the main reason why drinking bottled water is unsustainable?
It uses a large amount of plastic
What is the process by which water is stored underground and can be tapped and brought to the surface?
Groundwater storage
What is the term for natural places where groundwater comes to the surface?
Springs
What is the primary cause of deep ocean currents?
Thermohaline circulation
What is the result of the conveyor belt model of ocean water circulation?
Warmer water is circulated to the poles
What is the effect of salinity on the density of water?
It increases the density of water
What is the main characteristic of upwelling waters?
They are cold and nutrient-rich
What is the primary reason for the formation of gyres in the ocean?
The Coriolis Effect
What is the main factor that influences the movement of ocean water vertically?
Upwelling
What is the primary purpose of sonar in oceanography?
To determine the depth of the ocean
What is the process that results in the formation of barrier islands?
A combination of wind and waves
Test your knowledge about water quality and management, covering abiotic and biotic factors, freshwater availability, turbidity, and drinking water sources. Learn about the importance of water quality and its impact on human use.
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