Nylon is made from coal and petroleum.
42
Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
For every gallon of sea water, you get more than a quarter pound of salt.
45
One third of the electricity produced on earth is used to power electric light bulbs!
75