Vandana, a 12-month-old infant, is listening to her father talk to her and suddenly repeats a word that he just said. Her father praises her and gives her a cookie. After she gets the cookie, she repeats the word again. Vandana’s behavior can be best explained by using the theory of:

A. Universal GrammarB. BehaviorismC. AttachmentD. Classical conditioning

An atom of element a has 73 protons. what would the element's atomic number be?

The conflict perspective explains deviance in terms of power and inequality. select the best answer from the choices provided true or false

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