Ten things about water i bet you don't know it

1

Water is constitute about 78% of the human body, which needs of 1-7 liters of water daily to avoid dehydration

2

Water is everywhere-there are 332,500,000 cubic miles of it on the earth’s surface. But less than 1 percent of it is fresh and accessible, even when you include bottled water.

3

Plasma, which constitute 55% of the blood in the human body is composed of 90% water

4

You can make your own water by mixing hydrogen and oxygen in a container and adding a spark.

5

Blood contains 90% of its weight of water

 

6

Ice is a lattice of tetrahedrally bonded molecules that contain a lot of empty space. That’s why it floats

7

Some scientists predict that by 2025, will face more than half of the world's population problem of drought

8

The new water recovery system on the International Space Station recycles 93 percent of astronauts’ perspiration and urine, turning it back into drinking water

9

Kurdish villages in northern Iraq are using a protable version of the nasa system to purify water from streams and rivers, courtesy of the relief group Concern for Kids

10

Although many doctors tell patients to drink eight glasses of water a day, there is no scientific evidence to support this advice.

done

^_^