Answer:
His ears popping
Explanation:
Conditioned response: In psychology, the term "conditioned response" is described as one of the different parts in the "classical conditioning theory" and is also written as "CR". The theory of classical conditioning was determined by a psychologist named Ivan Pavlov while he was conducting a small experiment in his laboratory on dogs.
A conditioned response is referred to as an organism's behavior that doesn't come out naturally yet it can be leaned by the organisms via the pairing of a "neutral stimulus" with a "potent stimulus" or "unconditioned stimulus".
In the question above, the given statement signifies conditioned response as "his ear-popping".
C is the answer to ur question
Human speech; nonspeech sounds
Anne hutchinson's trial demonstrated that "church elders lacked tolerance."
Hutchinson's church trial started on March 15, 1638 at her home church in Boston. During this, the leaders of the church attempted to motivate her to apologize and admit her mistakes however to no avail,they read the charges against Hutchinson and endeavored to inspire her to concede they were blunders yet she stayed disobedient.
There are many posibilities but most common places could be from other nations (let's say they import energy they need) or from renewable energy sources which provide an excellent way for a region to gain extra energy.
