Water Properties and Importance

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Questions and Answers

What is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth?

  • Runoff
  • Percolation
  • Infiltration
  • Precipitation (correct)

What is the process by which water on the ground surface enters the soil?

  • Percolation
  • Infiltration (correct)
  • Interflow
  • Runoff

What type of aquifers are trapped between impermeable layers of rock or clay?

  • Groundwater wells
  • Confined aquifers (correct)
  • Artesian wells
  • Unconfined aquifers

What is the uppermost border of the aquifer called?

<p>Water table (D)</p> Signup and view all the answers

What type of wells enter unconfined aquifers?

<p>Water table wells (D)</p> Signup and view all the answers

What is the transformation of water from solid to liquid called?

<p>Snowmelt (D)</p> Signup and view all the answers

What is the primary mechanism driving drainage in a watershed?

<p>Gravity (B)</p> Signup and view all the answers

What is the term used to describe the total amount of water diverted or withdrawn from a source?

<p>Water withdrawal (D)</p> Signup and view all the answers

Which of the following is an example of water consumption?

<p>Water used for irrigation that evaporates (A)</p> Signup and view all the answers

What is the primary cause of groundwater depletion?

<p>Sustained groundwater pumping (B)</p> Signup and view all the answers

Which of the following is likely to experience water stress?

<p>Heavily populated countries (D)</p> Signup and view all the answers

What is the result of overconsumption of water in surface waters?

<p>Lowering of water levels (B)</p> Signup and view all the answers

What is the primary pathway that water moves from the liquid state back into the water cycle?

<p>Evaporation (D)</p> Signup and view all the answers

What is the term for the loss of water from the soil through evaporation from the soil surface and transpiration from plants?

<p>Evapotranspiration (D)</p> Signup and view all the answers

What property of water makes it a universal solvent?

<p>Its ability to dissolve most other substances (C)</p> Signup and view all the answers

What is the driving force behind the movement of water on Earth?

<p>Gravity (D)</p> Signup and view all the answers

What is the term for the cycle that treats the storage, transport, and transformation of water in the atmosphere-earth system?

<p>Hydrologic Cycle (C)</p> Signup and view all the answers

What is the process by which water moves through a plant and is evaporated from aerial parts?

<p>Transpiration (B)</p> Signup and view all the answers

What is the primary cause of a cone of depression around a groundwater well?

<p>Excessive consumption of groundwater (A)</p> Signup and view all the answers

What is the process of removing salt from seawater?

<p>Desalination (C)</p> Signup and view all the answers

What is the purpose of contour plowing and terracing in agriculture?

<p>To reduce water runoff (C)</p> Signup and view all the answers

What is the main benefit of using drip irrigation in agriculture?

<p>Reduced water consumption (A)</p> Signup and view all the answers

What is the purpose of graywater in water conservation?

<p>To be used for non-drinking purposes (B)</p> Signup and view all the answers

What is the result of excessive groundwater consumption on the zone of saturation?

<p>A compression and sinking of the zone of saturation (C)</p> Signup and view all the answers

What is the primary effect of too much sediment in water?

<p>It blocks sunlight from reaching the bottom of a stream, lake, or pond (C)</p> Signup and view all the answers

What is acid pollution?

<p>Any substance that lowers the pH of water below its normal levels (A)</p> Signup and view all the answers

What is the primary source of pesticide pollution?

<p>Agriculture pesticide use (A)</p> Signup and view all the answers

What is the purpose of the Philippine Clean Water Act of 2004?

<p>To protect the country's water bodies from pollution from land-based sources (A)</p> Signup and view all the answers

What is the Safe Drinking Water Act primarily concerned with?

<p>Setting limits and testing guidelines for contaminants in drinking water (C)</p> Signup and view all the answers

What must utilities do when tests indicate levels of contaminants above acceptable levels?

<p>Notify customers whenever tests indicate levels above acceptable levels (A)</p> Signup and view all the answers

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