I believe the answer is: Equalizer.
Parking brake adjustment is commonly done by reducing the length of the cables to remove unnecessary slack.
Tightening the nut on the equalizer would pretty much do the job and reduce the excessive slack.
Answer:
The answer is D. The dog sits when Marty opens the cupboard.
Explanation:
The dog's behavior if described by the behaviorist perspective, would be described in terms of a stimulus and a response, the stimulus occurs when Marty opens the cupboard and the response is that the dog sits; therefore, in terms of a stimulus and a response, the dog sits when Marty opens the cupboard.
