At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
For every gallon of sea water, you get more than a quarter pound of salt.
45
The average temperature at 40,000 feet above sea level is -60 F.
56
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
4.5 pounds of sunlight strike the Earth each day.
27
Aluminum used to be more valuable than gold!
84
The average home creates more pollution than does the average car.
33