Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A ball of glass will bounce higher than a ball made of rubber.
73
The only letter not appearing on the Periodic Table is the letter "J".
180
Nylon is made from coal and petroleum.
42
Your brain is 80% water.
525
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89