The answer is Ivan Petrovich Pavlov.
He was a Russian physiologist acknowledged principally for his work in classical
conditioning. From his juvenile days Pavlov revealed
intellectual inquisitiveness along with an uncommon vigor which he mentioned to
as "the instinct for research".
Answer:
C. the groups of voters who come together to form and support a political party and its candidates.
Answer:
An earthquake is when the earth quakes at it's core.