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.
Answer:
Adolescence
Explanation:
Adolescence is the period between the normal onset of puberty and the beginning of adulthood. Hope this helps!
It began in the year of "Ancient Times"
Continue to have check ups just because you are treated doesn’t mean it’s gone fully and can’t come back.
This is true. yes, this is very true.