What you think of the million Muslim march in Washington, DC on 9/11/13?
False. . Note that a human cell contains on the order of 10^9 base pairs. Going by this article, that would mean 10 to 100 errors each and every time the DNA is replicated!
To extinguish fire you must: Remove fuel or: Remove oxygen, so: Smothering extinguishers such as CO2 or dry chemical remove oxygen, the first by replacing it or changing the atmospheric ratio by adding carbon dioxide, the second by dispersing a chemical soda which rapidly absorbs oxygen and deprives the fire. Water extinguishers merely wet down the fuel making it unable to burn (no material dry enough to combustfuel removed)
