Quiz 7 water Flashcards
The amount of water required for the growth, production, and processing of foods would be considered
the embedded water.
The Ogallala aquifer, a glacier, and the Pacific Ocean would all be considere
Reservoirs.
An underground area where water can accumulate, often creating in a source of drinking water, is referred to as a(n)
aquifer.
A damaged septic field is leaking waste into a nearby stream. This discharge would be described as a
point source.
Which of the following would be considered a nonpoint source of pollution?
urban runoff
The process of desalination can be summarized as the
removal of salt from water.
Ocean ecosystems can become endangered by __________, as seen in the Deepwater Horizon Disaster in the Gulf of Mexico.
oil spills
Eutrophication in aquatic systems ultimately leads to __________ in freshwater systems.
a decrease in oxygen
What type of infrastructure is common in developed countries to improve water quality but is still needed in many developing countries?
wastewater treatment plants
An ecosystem experiences three consecutive years of higher-than-normal temperatures and lower-than-normal precipitation. Which of the following would most likely result from this condition?
drought conditions
When water sinks into the ground and reaches a layer of bedrock or dense clay that it cannot pass through, the water accumulates saturating cracks and pores to form areas called
aquifers (Correct)
Estuaries are wetlands where fresh water meets saltwater. These areas are among the most biologically rich areas on Earth because
they receive abundant light and nutrient-rich sediments (Correct)
Groundwater withdrawals can damage groundwater-dependent ecosystems because subsidence may occur. Subsidence is when
the ground surface sinks, tilts, or collapses (Correct)
Water security is
ensuring reliable access to safe and affordable water for everyone
Humans use more freshwater for _____________________ than for any other purpose.
agricultural irrigation of crops (Correct)
