Blue Gold
Here are five questions relating to its availability and consumption. The answers, which we hope will give you food for thought, are the five numbers that you can see in the boxes.
Can you associate the correct answer to each question?
1. On average, how many litres are necessary to fill a bathtub?
2. 71% of Earth’s surface is water-covered; do you know what percentage of this is salt water?
3. The water available to someone living in Madagascar is 10 litres a day. How many litres a day are available to someone living in the United States?
4. How much water do you use to take a five-minute shower (with the water flowing continuously and without using a shower aerator)?
5. And how many litres of water do we use every time we flush the toilet?