Water Conservation SystemsP3L3U10,LO1.3RWH4.9

What percentage of water used in the home is used to flush WCs?

• 10%

• 25%

• 33.33%

• 1%

What are the two basic systems of water conservation mentioned in the text?

• Rainwater harvesting and Greywater recycling

• Water purification and Desalination

• Water heating and Water softening

• Water filtration and Water distillation

What is the main source of water for water systems in 99% of homes?

• Rainwater

• Mains cold water supply

• Groundwater

• Surface water

What is the primary use of rainwater collected through rainwater recycling systems?

• Drinking

• Flushing WCs

• Cooking

• Watering gardens

What is the purpose of filtering the rainwater collected in tanks buried in the ground?

• To remove debris

• To increase the water pressure

• To sterilize the water

• To add nutrients to the water

What is the main advantage of using rainwater recycling systems?

• Reduces water bills

• Increases water pressure

• Adds nutrients to the water

• Improves taste of water

What is the process of collecting, storing, and using rainwater for landscape irrigation and other uses called?

• Water distillation

• Rainwater harvesting

• Water desalination

• Water filtration