Which two parts of this passage demonstrate the use of the bandwagon technique to persuade readers?

Mother Nature Needs Your Help
You have probably heard the phrase "Mother Nature knows best." It's a motto we sometimes say in jest, but the phrase has a lot of truth in it. It's a truth that much of the world is ignoring.
Unless we start listening to Mother Nature and start taking care of our lush, green planet, our world as we know it will not be around much longer. Every part of nature is being depleted by overuse and lack of care, and no one seems concerned.
However, there are people who do care! You can be one of them. Protecting nature is an important task. Join with the defenders of our planet and help preserve the beauty of our world. Enjoy a new and creative program that allows you to experience a working vacation in the Grampians National Park of Australia. The new Improve Nature program offers you the unique opportunity to work with a park ranger and participate in local environmental projects. You will have the chance to explore the park and visit areas that are not available to the typical tourist.
This will be a vacation like none you have ever experienced. While you are having a memorable experience, you will also be helping Mother Nature.

1if katina that the first day of her internship at harper and associates would be so disastrous, she would have called in sick. she'd chosen her clothes carefully that morning: katina had dressed in black slacks, a white shirt, a vibrant turquoise jacket, and matching turquoise shoes to create a youthful but professional look. on the bus ride to work, someone had bumped katina's arm, and she'd spilled her coffee down the front of her shirt. unfortunately, the jacket couldn't hide the stain, and katina knew that the senior partners had noticed it when they'd introduced themselves. 2 one of the third-year associates, greg, had shown katina around the office and explained her responsibilities. then, he'd taken her to the copy room, handed her an enormous box of legal briefs, and told her to start making copies. just when she'd almost finished, greg had returned to tell her that he actually needed two copies of every file. after lunch, greg had katina start filing the copies. she'd been filing for an hour when greg informed her that she'd put the files in the incorrect order. katina could only hope that tomorrow would be a better day. how does the author reveal katina's initial excitement about her internship? a) by showing how katina responds to conflict b) by describing how katina felt at the end of the day c) by showing how katina interacts with other characters d) by describing how katina selected her clothes with care