If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A cubic yard of air weighs about 2 pounds at sea level.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Your brain is 80% water.
525
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7