Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Most dust particles in your house are made from dead skin!
67
According to studies, men change their minds two to three times more often than women.
72
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
No matter how cold it gets, gasoline will not freeze.
107
Most dust particles in your house come from dead skin.
48