It is a remarkable testament to humanity's narcissism that we know the number of books in the US Library of Congress on 1 February 2011 was 22,194,656, but cannot tell you -- to within an order-of-magnitude -- how many distinct species of plants and animals we share our world with, Lord May writes.
Engine misfires can be caused by a list of faults, but there are a few suspects that occur more than others. The primary villains are simple â spark or fuel â usually manifesting in spark plugs, plug wires, the coil(s) or the fuel-delivery system.
The average 10-year total of U.S. wildfire acres burned and caused by humans is 1.9 million acres where 2.1 million acres burned are lightning-caused. Still, human fire activity is the primary cause of wildfires - having nearly ten times the start rate of natural starts. The average 10-year percent U.S. wildfire starts are 88% human caused and 12% lightning caused. Most of these human fires result from accidental causes.