How do I respond to this PLEASE HELP!

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 grievance 28 on the declaration of independence explained in simpler words? plz

Preachers who were part of the great awakening urged people to