PLEASE HELP Which of these would be labeled as an elaboration sentence in Source 3?

Question 4 options:

“It was about halfway through the flight home last night that both of my kids looked up at me with sad faces.”

“These experiences then turn on the genetic expression of key brain fertilizers in the frontal lobes, Dr. Sunderland explains, enhancing executive functions like stress regulation, attention, concentration, good planning, and the ability to learn, and also improving physical and mental health.”

“By using these memories as an anchor to take us back to more cheerful moments, we’re often able to approach problems with a fresh sense of perspective.”

Part a: what tone does dr. king use in his argument? question 3 options: assertive passive adoring angry

Introduction to making a difference: it’s our world, too

Excerpt from an enemy of the people henrik ibsen mrs. stockmann. (turns to the hall door, listening.) i expect that is mr. hovstad coming. billing. very likely. (peter stockmann comes in. he wears an overcoat and his official hat, and carries a stick.) peter stockmann. good evening, katherine. mrs. stockmann (coming forward into the sitting-room). ah, good evening--is it you? how good of you to come up and see us! peter stockmann. i happened to be passing, and into the dining-room). but you have company with you, i see. mrs. stockmann (a little embarrassed). oh, no--it was quite by chance he came in. (hurriedly.) won't you come in and have something, too? peter stockmann. i! no, you. good gracious--hot meat at night! not with my digestion, when peter stockmann enters, what does his physical appearance to reveal about his character?