Which of the following is not one of the three ancient eras of chinese history?
a.
xia
b.
shang
c.
zhou
d.
qin

(25pts) this photograph represents the chinese government’s response to a challenge it faced. what challenge do you think this is? what steps might china have taken to address this challenge?

The chart shows the marginal cost and marginal revenue of producing apple pies. what most likely will happen if the pie maker continues to make additional pies? the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, decreasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, decreasing the profit.

What period of history refers to the time when people did not have written records