One barrel of petroleum holds 42 gallons.
20
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Nylon is made from coal and petroleum.
42
Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9