Exhibition: Water

Water covers about 71 percent of the Earth's surface. Find out more about this colorless and odorless substance found all over Earth.

Tap Water
Minimum reward: 2
image by Luis Tosta

Tap Water

785 million people lack even a basic drinking-water service, including 144 million people who are dependent on surface water. Globally, at least 2 billion people use a contaminated drinking water source.


Play this puzzle with the Pics n Mix app!

 

Pics n Mix is quick and easy to learn, and the short video below explains everything you need to know.

Just choose a puzzle and click the Play button. Drag and drop the pieces to where you think they should be. If you have chosen "plus rotation" it means some of the pieces are flipped top to bottom or right to left. If you tap a piece once, it will flip from top to bottom. and if you double tap it, it will flip from left to right.