Answer:
Mid-level concepts
Explanation:
Two years Bella is going under the concept of mid-level. She has been exposed to her vocabulary daily around 50 words. Because she has been identified the concepts of the mid-level.
This time she is learning more and more about the new words. This is her age when she excited to know about new things about life. She learns through the environment and family members. She will learn from family members and friends.
The process of curtailing the performance of dysfunctional behaviors by eliminating whatever is reinforcing the behaviors is extinction.
That statement is false.
On average, people obtain a sense of humbleness as we got more mature.
This is also true among artists. Younger/new artists tend to feel that they're artworks are a break through and should be used as a new standard even if their skill is still unpolished.