Answer:
The scientist was Ivan Pavlov
Explanation:
He was a Russian scientist, who performed multiple research on dogs. He is best know for his experiments in classical conditioning.
Chronic or long term stress. Hope this was helpful!
Correct answer should be 4 to 50 %
4= very brisk, hyper active w/ clonus, indicative of disease
3= brisker than average, may indicate disease
2= average, normal
1= diminished, low normal
