When brett was only six years old, his older sister hid in his closet, then unexpectedly jumped out and scared him when he came into his dark bedroom. brett is still terrified of the dark even as an adult. based on principles of classical conditioning, what is brett’s fear of the dark? a. a result of counterconditioningb. an unconditioned responsec. a conditioned responsed. a result of observational learning

C) A conditioned response.

Explanation: Conditional response arise from experience. The subject is exposed to the conditional stimulus (not natural) and responds in a certain way. From experience, therefore, learning arises. A conditional response can be, for example, the fear of the dark, one man does not born with this fear, however a bad experience can trigger it.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.