Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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 75-watt bulb gives more light than three 25-watt bulbs.
57
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The sun is 330,330 times larger than the earth.
75