One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house come from dead skin.
48
One third of the electricity produced on earth is used to power electric light bulbs!
75
No matter how cold it gets, gasoline will not freeze.
107
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89