If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The average ice berg weighs 20,000,000 tons!
54
The water of the Antarctica is so cold that nothing can rot there.
335
More than 25% of the world's forests are in Siberia.
51
Check your map! Virginia extends farther west than West Virginia.
67
The Sahara desert expands at about 1km per month.
90

