Stacy is using a memory technique of tackling abbreviations. She is using abbreviations in remembering as she uses the initial letters of each word and form it into a new word in order to remember the following words that she needs to remember.
Leave a note with ur name and #
Jack is likely to be a sensation seeker. This is because Jack is constantly in need of attention a sensation or a specific feeling for the sake of achieving that feeling. He has a high level of arousal and enjoys potentially life-threatening hobbies such as skydiving, bungee jumping from bridges and swimming with sharks.
Chemistry, because constructing early forms of glass and mortar for setting bricks would require some sort of understanding. The other choices also aren’t very related, you don’t need astronomy for making glass or anatomy for making mortar.