Why were industrial and agricultural surpluses a problem for the us economy

Which sentence best represents the thesis of this article? a they challenge us to consider whether we can trust what we are seeing. b optical illusions may seem mysterious, but they are not unexplainable. c through science, we can learn how optical illusions work. d let’s take a look at three common optical illusions and explore the science behind each one.

What greek scientist created a screw to move water for irrigation?

The colors at sunset are usually the result of raindrops