I think, there can be the basement of pressing. As an example here could be social networks, where people share their life to others, and other had to be better than first one. So there can be the pressure of economical situation of some persons, and also the pressure of lower self-esteem.
C, encoding difficulties as he struggles to store the information within the brain and recall for the short or long term
A because all the other answers do not apply what so ever
Answer: 1. They shake the ground
2. They travel through solids
3. They vibrate from side to side
Explanation: Hope this helps!