Why was the death of darius important to alexander's conquest of persia?

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.

Census data is an example of: public information. private behavior. private information. public behavior.

Open opinion / / / should juveniles spend life in prison? why? or why not?