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A disease that has spread among a large number of people and across a large region such as a continent, or even worldwide is known as a pandemic. A current example (Winter 2009) would be H1N1 Swine Flu. See related links.
Climate has the greatest impact on an ecosystem.
I personally believe that it would be the Printing Press which allowed the spread of the renaissance. Not only that, but it allowed ideas and knowledge to spread throughout the world faster than ever. Plus, we still use it today frequently to spread knowledge to the world.
Americans, they are the greatest polluters in the world.
A pandemic is a widespread epidemic - which hits a wide geographical area and affects a large amount of the population.
A pandemic.
climate change
Absolutely not! They lived with rats and often caught horrible diseases which would often spread to be a pandemic, please please visit my page!!
The bicycle would have the greatest impact force.
I would say the sun
During the same time as WW1 there was a pandemic of influenza that killed millions of people world wide. It is commonly called the Spanish Flu.
that's wat i would like to know to.