30 Questions
What is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth?
Precipitation
What is the process by which water on the ground surface enters the soil?
Infiltration
What type of aquifers are trapped between impermeable layers of rock or clay?
Confined aquifers
What is the uppermost border of the aquifer called?
Water table
What type of wells enter unconfined aquifers?
Water table wells
What is the transformation of water from solid to liquid called?
Snowmelt
What is the primary mechanism driving drainage in a watershed?
Gravity
What is the term used to describe the total amount of water diverted or withdrawn from a source?
Water withdrawal
Which of the following is an example of water consumption?
Water used for irrigation that evaporates
What is the primary cause of groundwater depletion?
Sustained groundwater pumping
Which of the following is likely to experience water stress?
Heavily populated countries
What is the result of overconsumption of water in surface waters?
Lowering of water levels
What is the primary pathway that water moves from the liquid state back into the water cycle?
Evaporation
What is the term for the loss of water from the soil through evaporation from the soil surface and transpiration from plants?
Evapotranspiration
What property of water makes it a universal solvent?
Its ability to dissolve most other substances
What is the driving force behind the movement of water on Earth?
Gravity
What is the term for the cycle that treats the storage, transport, and transformation of water in the atmosphere-earth system?
Hydrologic Cycle
What is the process by which water moves through a plant and is evaporated from aerial parts?
Transpiration
What is the primary cause of a cone of depression around a groundwater well?
Excessive consumption of groundwater
What is the process of removing salt from seawater?
Desalination
What is the purpose of contour plowing and terracing in agriculture?
To reduce water runoff
What is the main benefit of using drip irrigation in agriculture?
Reduced water consumption
What is the purpose of graywater in water conservation?
To be used for non-drinking purposes
What is the result of excessive groundwater consumption on the zone of saturation?
A compression and sinking of the zone of saturation
What is the primary effect of too much sediment in water?
It blocks sunlight from reaching the bottom of a stream, lake, or pond
What is acid pollution?
Any substance that lowers the pH of water below its normal levels
What is the primary source of pesticide pollution?
Agriculture pesticide use
What is the purpose of the Philippine Clean Water Act of 2004?
To protect the country's water bodies from pollution from land-based sources
What is the Safe Drinking Water Act primarily concerned with?
Setting limits and testing guidelines for contaminants in drinking water
What must utilities do when tests indicate levels of contaminants above acceptable levels?
Notify customers whenever tests indicate levels above acceptable levels
Explore the unique properties of water, its importance in living organisms, and its role as a universal solvent. Learn about the characteristics that make water essential for life. Test your knowledge of water resources and its significance in the environment.
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