What is the grammatical name given to 'an instant alarm' HELP ME ASAP

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.

Write a speech about a current practice - anything people commonly do in society today - that you think the people of the future will see as a form of discrimination. what are some practices that are legal today that you think limit people's rights? do you yourself feel you're being treated unfairly? you'll support your ideas with evidence you find through research. you'll also enhance your speech with audio or video.

Read the introduction to the persuasive essay, "should cosmetic surgeries be banned? " what makes this introduction weak?