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Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

The were so closely connected to the tang dynasty that korean elites used chinese as their written language. they set up a statewide academy that trained government officials in the philosophy of .

What are the four classes of fire according to nfpa?