Unit 10 Flashcards
(36 cards)
_______________ was put in place as a result of the Cuyahoga River fire in 1969.
The Clean Water Act
________ ________ is regulated by the National Oceanic and Atmospheric Administration.
Saltwater fisheries
The process of excess nutrients entering an aquatic ecosystem, causing excess plant and algae growth, is known as ____________.
eutrophication
To make sure that waters are deep enough for big ships to dock, ___________ is necessary.
dredging
__________ ________ is regulated by the US Fish and Wildlife Service.
Freshwater fisheries
Bioremediation uses ________ _________ to remove contaminants like oil from soil or water.
living organisms
The _________________ allows the _______________ to build wastewater treatment plans to control toxic waste and sewage dump.
Water Quality Act, Environmental Protection Agency
Hydropower produces ___________.
methane
Freshwater is mostly used in ___________.
agriculture
When salt is removed from ocean water, it is a process called ___________.
desalination
When an oil spill occurs, the number one threat to living things is ____________.
smothering
____________ ___________ occurs for the survival or preservation of cultural practices.
Subsistence fishing
The disparity of available clean and freshwater resources is called _______ _______ highly linked to _________.
water scarcity, poverty
Using _____ ______ is an inexpensive way to remove bacteria and parasites from the water but they cannot filter viruses, salts and ________.
clay pots, chemicals
The growing and harvesting of both freshwater and saltwater aquatic species is known as ______________.
aquaculture
The number one threat to aquatic ecosystems is called __________ ___________, and it is caused by __________.
cultural eutrophication, humans
The amount of water it takes to grow a certain amount of food is known as ________ ______.
virtual water
___________ is a type of runoff from large rain events.
Stormwater
___________ occurs when the amount of fish harvested exceeds the maximum sustainable yield.
Overfishing
__________ occurs when the amount of fish harvested exceeds the maximum sustainable yield.
Overfishing
A substance that can be broken down by living organisms is called ____________.
biodegradable
_________ are pollutants that include bacteria and viruses from sewage and contaminated runoff.
Pathogens
__________ ________ are pollutants that include salts, acids, and industrial chemicals from both point and nonpoint sources.
Inorganic materials
Most water in industry is used to cool down _________ or machines.
power plants
