The caliph who conquered Mesopotamia, Palestine, Syria, Persia, and Egypt and spread Islam to these lands was: A: Abu Bakr.

B: Umar ibn al-Khattab.

C: Khalid ibn al-Walid.

D: Muhammad.

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.

Which nims command and coordination structures are offsite locations where staff from multiple agencies come together?

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?