CL.4 BK.2-2-Water Purification

Why does Hong Kong lack freshwater resources?

• Hong Kong's freshwater resources are primarily sourced from neighboring countries.

• Hong Kong has abundant freshwater resources due to its large land area.

• The climate in Hong Kong provides ample rainfall for freshwater.

• Hong Kong lacks freshwater resources due to its small land area, high population density, and limited natural freshwater sources.

What is one way the Hong Kong Government ensures water supply?

• Implementing a desalination plant

• Relying solely on rainwater harvesting

• Using bottled water for all supplies

• Maintaining a comprehensive water catchment system.

What is Dongjiang water?

• Dongjiang water is a water supply from the Dongjiang River in Guangdong, China.

• Dongjiang water is a type of bottled water from Japan.

• Dongjiang water is a desalinated water source from the Middle East.

• Dongjiang water is a mineral spring located in Europe.

Why is it important to treat and purify water collected in reservoirs?

• It is important to treat water to enhance its color and appearance.

• Purifying water is necessary to increase its mineral content.

• It is important to treat and purify water to ensure it is safe for consumption and free from harmful contaminants.

• Water treatment is only needed for water used in agriculture.

What should we do before drinking water?

• Ensure the water is clean and safe to drink.

• Boil the water for 5 minutes and then drink it

• Drink water directly from the tap without checking

• Add sugar to the water before drinking

Why are water resources considered limited in Hong Kong?

• The population is decreasing, leading to more water availability.

• Water resources are limited in Hong Kong due to high population density, reliance on imported water, insufficient local rainfall, and restricted storage capacity.

• Water resources are unlimited due to advanced technology.

• Hong Kong has abundant rainfall throughout the year.

What are some common sources of water pollution in Hong Kong?

• Rainwater harvesting systems

• Natural mineral deposits in rivers

• Agricultural runoff from rural areas

• Common sources of water pollution in Hong Kong include industrial discharges, sewage runoff, marine traffic, and urban runoff.

How does water pollution affect the environment?

• Water pollution negatively impacts ecosystems, wildlife health, biodiversity, and water quality.

• Water pollution improves water quality and promotes biodiversity.

• Water pollution only affects human health, not the environment.

• Water pollution has no effect on wildlife or ecosystems.

What can happen to animals that live in polluted water?

• Animals can experience health problems, diseases, and death.

• Animals thrive and reproduce more rapidly.

• Animals develop superpowers and enhanced abilities.

• Animals become more colorful and vibrant.

Why is it unsafe to eat contaminated seafood?

• It is unsafe to eat contaminated seafood because it can cause serious health problems.

• Contaminated seafood can improve your health.

• Eating seafood is only unsafe if it smells bad.

• Contaminated seafood is always safe to eat.