Answer:
Pavlov's theory of stimulus substitution is the combination of several techniques that are called the spectrum of the umbrella in classical conditioning. It occurs with the pairing with the new stimulus to the already conditioned stimulus. When this procedure occurs new stimulus paired with the conditioned stimulus, there are chances of replacing already conditioned stimulus with a new stimulus.
We can take an example of a rat that is to be conditioned to respond to a whistle which related to fed then can add a flashlight as a signal with a whistle. When light is there then rat fed. The light signal is then substituted part of the whistle.
That he is married to trouble
Option B. Angry
Quakers one that quakes. Quake means to shake of fear, anger , a strong negative feeling.
Examples:
1)The explosion made the whole town quake.
2)She quake with frighten.
Diamond has a hardness of 10
Theyre reffered to as the three sisters, bc they all work in harmony. I hope you found this answer helpful, and if so, please mark as brainliest, thank you ((P: