A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Balsa wood is classified as a hard wood!
41
The average home creates more pollution than does the average car.
33
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Aluminum used to be more valuable than gold!
84
A cubic yard of air weighs about 2 pounds at sea level.
31
Billions of neutrinos pass unnoticed through your body every second.
6
For every gallon of sea water, you get more than a quarter pound of salt.
45