Freshwater Resources Quiz

What is the main reason for the increasing demand for water consumption?

• Decreasing human population

• Reduced use of pesticides and fertilizers

• Improved water recycling systems

• Climate change

What is the main problem with the Colorado River in the USA?

• Overexploitation of aquifers

• Soil salinization by irrigation

• Water pollution

• Less snowmelt and flow due to climate change

What is the main solution to increase freshwater sources mentioned in the text?

• Increase domestic use

• diverting water from natural flow

• Desalination of salt water

• Use of more inefficient irrigation systems

What is the main reason for the tense relations between neighboring countries over water supply?

• Climate change

• Increased human population

• Overexploitation of fisheries

• Unequally available freshwater resources

Define physical water scarcity

• The physical loss of water

• Limited availabilty of water due to lack of investment

• When water supply falls below 1000 cubic meters per person per year/1000m³/person/year.

• Water scarcity is when water supply falls below 10000 cubic meters per person per year/1000m³/person/year.

Saudi Arabia has

• Physical water scarcity

• Economic water scarcity

• No oil

• No money