Dr. Humor wonders if knock-knock jokes are funnier than jokes involving "crossing the road." He has several people tell participants a series of both types of jokes and has the participants rate how funny they believe each joke to be. In this example, the dependent variable is:.
A. The type of joke.
B. The order of the presentation of the jokes.
C. The participants' humor ratings.
D. The person telling the jokes.

Why should historians question edward ennis? a. they should not. ennis told the truth. b. ennis alerted his superiors to the existence of secret evidence but, when they ignored it, ennis did not make the evidence public. he remained silent. c. ennis made up his secret evidence d. none of the above

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron

In a citizens elect the president as head of government separate loy from the legislature