A. They collect evidence and interpret what it means
Industry (competence) vs. Inferiority
Answer: Observational learning.
Explanation:
Observational learning is the social learning that is perceived through observing the behavior of other people around us.Behavior is noticed carefully, perceived in mind and then similar action or behavior is imitated by observer.
According to the question, kitten is involved in observational learning as she observed older cat press the lever harder to receive more food, she also imitated the same action for more food.
The correct answer is c.: it served as the be boundary between North Korea and South Korea. The current line is in a similar place, but it's not a straight line, unlike the line running along the 39th parallel.