Man is circled here in blue in the Quaternary Period. Locate it. Compare the location of man to the entire history of the world (the beginning of the spiral at the bottom left).
What do you notice about the amount of water vs the amount of land as you spiral
upward? Why do you think that is? What do you notice about the complexity of life as
you spiral upward? Why do you think that is?

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these include the fossil fuels, oil, natural gas, and coal and nuclear energy. hope this ! ^.^

-ella