Answer: the answer is conservation
Explanation:
Jane’s teacher has two glasses filled with 8 oz of juice. She pours one glass into a short, wide vase and the other glass into tall, skinny vase. Although both vases contain 8 oz of juice, Jane believes the tall, skinny vase contains "more". This is an example of conservation because Jane believed in the principle by which the total value of a physical quantity remains constant in a system which is not subject to external influence due to humans interest in natural things
I believe the answer is: Case study
Case study refers to a form of research that includes in-depth and detailed examination toward a certain subject study as its method of collecting data. Case study is the type of research that's the most popular by researchers in formal work background/ settings.
Andy displays a Duchenne smile which is believed to be the true smile of happiness while Brad has used a fake smile because it did not involve his eyes but he only smiles using his mouth.
Because we love animals or you can adapt kids
