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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One barrel of petroleum holds 42 gallons.
20
The smell of freshly cut grass is actually a plant distress call.
31
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists in Germany have developed a candy that doesn't cause cavities.
11
According to studies, men change their minds two to three times more often than women.
72