Upload
zoltan-ur
View
79
Download
2
Embed Size (px)
Citation preview
Water Quiz
How much water is in the brain?
• A. 34 %
• B. 85%
• C. 56%
How much water is in a tomato?
A. 65%
B. 85%
C. 95 %
How much is the difference?
Who’s smarter then?
• You? • or a tomato?
OK, let’s test!
How much fresh water is on the Earth?
• A. There is a lot.
• B. There isn’t any.
• C. There isn’t much.
So, be careful with water!