If you have a control group for your experiment, which of the following is true?
a. the control group is exactly the same as the test group.
b. the control group is identical to each test group except for one variable.
c. there can be more than one difference between the control group and the test groups.
d. the control group and the test groups may have two or more differences between them.

Why were so many distinctive cultures able to develop over time in asia?

Read the quote about government in iran. “we thought that mr. khatami’s victory was a victory for us as well. the election of a more democratic government seemed to be a bright new beginning . . but within less than a year of the election, the journalists, reformists, and intellectuals began to be persecuted by hard-liners in the judiciary and intelligence ministry . .” —camella entekhabifard, “tehran’s eternal youth,” new york times based on this quote, how does camella entekhabifard feel about the iranian government? a. she supports reforms and was disappointed when they did not come about. b. she supports hard-liners who want the supreme leader to have more power. c. she believes reformers should be silenced to keep iran's government strong. d. she supports a more democratic government but opposes freedom of speech.

What is the name of this mountain range found in northern africa?