One cubic foot of gold weighs more than 1,200 pounds!
78
One barrel of petroleum holds 42 gallons.
20
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
No matter how cold it gets, gasoline will not freeze.
107
One ragweed plant can release as many as one billion grains of pollen!
51
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average temperature at 40,000 feet above sea level is -60 F.
56