water

Question 1

methods of water supply

Answer 1

• reservoirs and dams
• wells
• boreholes
• desalination

Question 2

proportion of water used for agricultural purposes

Answer 2

• LEDCs: Very high
• NICs: Very low
• MEDCs: very low

Question 3

proportion of water used for domestic purposes

Answer 3

• LEDCs: very low
• NICs Very low
• MEDCs: low

Question 4

proportion of water used for industrial purposes

Answer 4

• LEDCs : low
• NICs: high
• MEDCs: very high

Question 5

ways to increase water supplies in a country

Answer 5

• dams/reservoir
• use of aquifers
• desalination
• import of water
• use piplines
• cloud seeding
• collection in tanks
• purification of water sources
• repair leaking pipes

Question 6

ways to improve sanitation of a country

Answer 6

• installation of running water in taps
• sewage systems
• build toilets
• sewage treatment works
• hygiene standards
• education about hygiene

Question 7

impact of reduction in water supplies

Answer 7

• there is less water for drinking, washing, sanitation and cooking
• dehydration which can lead to death
• less water available for irrigation
• reduction of food supply
• poorer pasture for animals
• need to emigrate
• less areas to fish
• more and for cultivation or settlement
• cant use for transportation