I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
It needs to be more specific
Answer:
because persia was a larger empire and was probably better but Athens and Sparta and some other Greek city-states helped and they had the advantage because they knew the geography of the land and the element of surprise.
Answer:
Henry clay, james Madison, Andrew jackson, and thomas Jefferson were all involved in the war of 1812
