Which three components of fitness should a couch potato consider developing​

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?

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

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now