D because it’s the most likely one there
Answer:
Unconditioned stimulus.
Explanation:
Classical conditioning may be defined as a type of learning in which the potent stimulus is combined with neutral stimulus and produces a great response.
The Pavlov explains the classical conditioning learning. The sound of the bell here acts as the unconditioned stimulus because this stimulus helps the dog to salivate when combined with the strong stimulus. The neutral stimulus is here to evoke the response.
Thus, the answer is conditioned stimulus.
The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
