Answer:
A
Explanation:
Answer: Calcium
Explanation: idk but I got it right on USA test prep :)
The study of human behavior is called psychology.
The facial feedback theory is defined as the reading the expression of the person for his behavior.
No one wants to make someone unhappy by saying something. Therefore everyone smiles at the situation they do not want to answer and don't want to make them feel hurt.
A smile and happy face represent a good response
Bad face represent bad response
Hence, everyone showed with a smiling face.
For more information, refer to the link:-
Answer:
they use only smiling faces because it makes you belI eve the product is good if they were to use frowning faces you would believe that the product is bad since they’re frowning while using it.
Its the little Details