1 Vertical-cumulus, cumulonimbus. 2  A cloud that forms on the ground is called fog. 3  Some clouds you see in the sky might be from airplanes. 4  These are called contrails. 5  High level cirrus clouds may travel at speeds up to 100 mph. 6  Even though clouds float in the air, a single cumulus cloud can weigh hundreds of tons.
1 It costs an average of about $47,000 per year to incarcerate an inmate in prison in California. 2  Over two-thirds of these costs are for security and inmate health care. 3  Since 2000-01, the average annual cost has increased by about $19,500.
The total cost for life in prison (approx 20 years) is $123,000 per inmate. DEG. Source(s): Final Report of the Death Penalty Subcommittee of the Committee of Public Defense, Washington State Bar Association, December, 2006.