QUESTION - ANSWER GAME
WHAT DO YOU KNOW ABOUT WATER?
Where is the largest supply of fresh water in the world?
The largest reserve of fresh water in the world is located in the United States and Canada, more precisely in the Great Lakes region located between the two countries with an area of 244,100 km2 and a volume of 23,000 km3.
What is the biggest dam in the world?
The largest dam in the world is the Three Gorges Dam located in China . It is built on the Yangtze River and it measures 2.3 Kilometers long and 185 meters high.
What is water stress?
We say that a country is under water stress if it has less than 1,000 m3 of water per year and per capita (1m3 = 1,000 liters of water)
Morocco is threatened by water stress, true or false?
True . It is estimated that the water share of each Moroccan, which was 1,700 m3 of water per capita per year in the 1970s and which is now 720 m3 , will decrease to 500 m3 by 2025.
Who consumes the most water in Morocco: industry, agriculture or the inhabitants?
Water for irrigation purposes in agriculture represents more than 80% of water consumption in Morocco. Domestic use comes second, followed by industrial use.
Before becoming drinkable, the water retained in the dams goes through 2, 4 or 6 stages?
Water goes through four (4) stages ( Screening, settling, filtration and disinfection) in water treatment plants, before becoming potable water.
What is the largest river in Morocco?
The largest river in Morocco is the Oued Sebou with 614 km long , followed by the Oued Oum Er Rbia which comes in second with 550 km long.
Taking a shower, how much does it cost in Casablanca?
It costs 18 cents ! On average, when taking a shower, we consume 60 liters of water against 200 liters with a bath. If you turn off the water while soaping, you can save 20 liters of water . A great saving in water ... and money!
Which organization is paid most of the amount of the water bill?
79% of what the consumer pays goes to national producers, 7% to the State and 1% to the city of Casablanca. The rest goes to Lydec.
Bottled water is 100, 500 or 800 times more expensive compared to tap water?
Bottled water is 800 times more expensive than tap water. In Casablanca, we do not pay for water but for the service that allows you to receive water at home 24/7.
True or false ? Maintaining drinking water distribution infrastructure costs more than building new ones
True. Operating expenses (Maintenance, repair and operation) cost two (2) times more expensive than the construction of new infrastructures and new networks.
The Romans invented canals to transport water, what are they called?
The canals are called the aqueducts
Who discovered the composition of the water molecule?
It was the British physicist and chemist Henri CAVENDISH (1731-1810) who showed that water is composed of hydrogen and oxygen at the end of the 18th century.
What was one of the main discoveries of scientist Louis Pasteur?
It was he who demonstrated the existence of bacteria at the end of the 19th century and thus created a new science called microbiology which is widely used in water and sanitation services.
What chemical compound is used, like chlorine, to treat water?
The chemical compound that helps treat and clean water, like chlorine, is ozone.
How much water does a washing machine consume per wash?
A washing machine consumes between 25 and 40 liters of water depending on the model. Therefore and to limit water consumption, it is necessary to set the machine on a short cycle.
Can I throw medicine or paint in the sink or the toilet?
No ! No paint, oil or medication is thrown down the toilet or sink in order to help reduce the treatment required for wastewater treatment.
When returning from vacation, can we drink tap water?
No ! because during a long absence, the water stagnated in the pipes. So you have to let the water run in a bucket to clean your house or water your plants before drinking the water again.
How much water is present in the human body?
The proportion of water in the human body is on average 70%. Water represents 55 to 75% of the weight of the human body.
Which organ filters the water in the human body every day?
The organ that filters water is the kidney. Every day, it filters a flow of blood composed of 80% water.
The feeling of thirst is when the body lacks 1%, 5% or 10% water?
The feeling of thirst is when the body lacks 1% of water. And there is a danger of death when the body lacks 15% of water.
How do you define dehydration?
Dehydration is when the body loses water . In summer, it is important to drink regularly, because under the effect of heat the body eliminates even more water.
True or false ? Do you have to drink water while playing sports?
True and false. If you exercise for less than 45 minutes , you don't need to drink. After 45 minutes , drink regularly.
How much water should we drink per day?
One should drink at least 1.5 liters of water per day. In summer, you can drink up to 2 liters per day.
What is the cause of microbial contamination of water?
Lack of sanitation services is the root cause of microbial contamination of water.
True or false ? Washing your hands prevents gastroenteritis.
True. Hand washing limits the transmission of many viruses: influenza, gastroenterin. This is why you should wash your hands before eating.
What are water related diseases called?
Waterborne infectious diseases. Each year, they kill more than 3.2 million people around the world.