A cold front does count as weather, if you're looking for more info on cold fronts and warm fronts visit the site below. http://www.weatherquestions.com/What_are_fronts.htm
The bacteria was not killed off. In those three days symptoms had stop because the bacteria was dormant. They must have been activated because Jim provided a suitable environment for their growth
Natural selection allows nature to chose which species survives. Only the fittest get to pass on their genes. And by fittest i mean the ones that are better adapted to the environment.<span />
