Answer:
its also because Canada is an ecosystem
Explanation:
i hope you like it
The answer is: A. Ivan Pavlov
Pavlov was the researcher who first popularized the classical conditioning (where a certain conditioned response is created by associating a certain situation with a conditioned stimulus)
Counterconditioning was developed in order to reverse or reduce the effete of classical conditioning (usually carried out by enforcing positive reinforcement to the subjects)
The year gap of the population of 4 billion people was from 1974 - 1986. Exactly 12 years of 4 billion people.
Answer: He's using a emotion-based coping strategy.