In less than two centuries, humans have increased the total amount of carbon dioxide in the atmosphere by from the burning of fossil fuels and the destruction of forests.

a) 5%
b) 15%
c) 25%
d) 50%

europe churches founded monasteries and universities that studied philosophy and nature.

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it   would try making the   president who would the economy get out of depression picked

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.