Pavlov placed meat powder in the mouths of dogs, and they began to salivation. the food acted as a (an) unconditioned response unconditioned stimulus conditioned response conditioned stimulus

The continents of africa and south america used to "fit together” like puzzle pieces. about how far back in time would you have to go to find the formation of the atlantic ocean? 600 million years 430 million years 200 million years 90 million years

What is the role of institutions in society - do they perform positive functions, or simply work in the interests of the powerful and against the powerless? (a related question here is why do our life chances vary by class, gender and ethnicity)

We we ask what a text means, we are inquiring, at least in part, about its a general idea or insight conveyed by the word in its entirety.