In addition to agricultural products, what other important natural resources are found in Canada's western plains region?

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?

Why does the united states constitution require that a national census be taken every ten years?

Which of the following is the best interpretation of this quotation?