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Explain how earths tilt and revolution around the sun affects weather and climate

The graph shows the number of employed workers in the united states in nonfarm jobs from 2008 to 2013. the best conclusion that can be drawn from the graph is that the number of nonfarm jobs remained consistent over time. started going down in 2008. went up every year since 2008. started going down in 2010.

Monk’s mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?