. Explain what Ellis Island is and why it is significant to the history of immigration in America.

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?

What is the county seat of ward county nd?

Explain why societies cannot make a choice above their production possibilities frontier and should not make a choice below it.