One barrel of petroleum holds 42 gallons.
20
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One cubic foot of gold weighs more than 1,200 pounds!
78
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Nylon is made from coal and petroleum.
42
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79