The appropriate response is the sensorimotor stage, it is the first of the four phases Piaget uses to characterize intellectual improvement. Piaget assigned the initial two years of newborn children life as the sensorimotor stage. Amid this period, babies are occupied with finding connections between their bodies and the earth.
The difference between a hypothesis and a prediction is that a hypothesis is a tentative idea or question that is waiting for evidence to support or refute it, while a prediction is a guess at the outcome of a hypothesis. Also, a hypothesis comes first before the prediction.
Answer:
it is b because they were always trading in things.
I believe that it's called checks and balences
