How many planets with liquid water are there in the Solar System?
Only Earth
How much water do dairy cows need daily?
135 litres
To make 100g of chocolate, 1700/1400/1200 litres of water is needed.
1700
To make 1 litre of coffee, 768 / 850 / 876 litres of water is needed.
876
TRUE or FALSE: Oranges need a lot of water to grow.
FALSE
TRUE or FALSE: where there's little rain, farmers don't grow food :(
FALSE
TRUE or FALSE: About 70% of the human body is water
TRUE
How many days can we go without water?
Only three or four days.
Hydro-electric power stations use water from rivers / the sea / lakes.
Rivers
TRUE or FALSE: most of our electricity is produced with the help of water
TRUE
