Most dust particles in your house come from dead skin.
48
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The sun is 330,330 times larger than the earth.
75
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The bark of an older redwood tree is fireproof.
65
